Zhejiang Stronger Hydraulic Company Ltd, locates at Damaiyu economical development zone, Yuhuan, Zhejiang province, P.R.China.

Neighbor to Damaiyu port, the national class-one open port. Major products are hydraulic adaptor, flange, hydraulic hose assembly,

hydraulic accessories and etc. The production is widely used on hydraulic connection, power and control system of construc-tion machinery,

mining machinery, agriculture machinery, metallurgical equipment, wind power and etc.

Zhejiang Stronger is founded in 1988, and have Jiangxi ,Xuzhou,Hubei and Jiaxing branch companies. Around 1400 employee, land

cover 98000 M2 at Yuhuan headquarters, and around 1200 employee, land cover 83680 M2 at Jiangxi.

With solid technical capability, as the council members of China Hydraulics Pneumatics & Seals Association, vice chairman of

International Construction Machinery Council, council members of China Construction Machinery Association Parts Branch, Stronger

participates in drafting and revising 20 items of the National and Industry Standard, and owns over 40 items of patent.

There are over 4000 units of the advanced equipment for production and inspection, such as precise automatic CNC machine, bending

machine, crimp machine, hot forging machine, bore-milling machining center and turn-milling machining center imported from Japan,

precise honing machine imported from USA, vertical type machining center, automatic assembly line and etc. As well 6 units of plating line.

The capacity has achieved 12 million pcs of hydraulic hose assembly and over 150 million pcs of hydraulic fittings. With over 30 units of

inspection equipment, such as stationary pressure test equipment, burst test equipment, dynamic impulse test equipment

carbon sulfur analyzer and salt-spray test equipment. Making high quality performance has been enhanced by credible monitoring.

Main customers are: Caterpillar, Sany, Liugong, XCMG, Zoomline, Sunward, XGMA, John Deere，Shantui and etc., primary machine facilities.

Export business to 35 countries and area in Europe, American, Australia, Asia and Africa. Sales amount in last 13 years is continually in the

top level among parts industry within China Construction Machinery Association Parts Branch.

Stronger company has got ISO9001 Certification, Caterpillar Supplier Quality Excellent Procedure Gold Level Certification, Sany Excellent

Support Award, Liugong Top 10 Excellent Supplier Award and etc. Stronger is in the rapid development together with excellent customers.

Stronger company sticks to the core ideology “Sincerity Create Success, Cooperation Achieve Value”, grasp the opportunity of national

“the belt and road” strategy and China Manufacture 2025 strategy, with the “high starting, high investment, high delivery”, build green

and smart manufactory, and fully enhance the capability on quality and velocity. Struggling to facilitate stronger development.

浙江苏强格液压股份有限公司地处浙江省玉环市大麦屿经济开发区、毗邻国家一级口岸——大麦屿港口。生产各类液压接

头、法兰、软管总成、液压辅件等。产品广泛应用于工程机械、煤矿机械、农用机械、冶金和石油装备等机械设备的液压连接、

动力和控制系统。

公司创建于1988年，下辖江西、徐州、湖北和嘉兴四个子公司。玉环工厂现有员工1400余人，合计占地98000平方米，江西

工厂员工公司现有1200人，占地面积83680平方米。

公司技术力量雄厚，作为中国液气密协会理事单位，国际工程机械理事会副理事长单位，工程机械配套件分会理事单位，全国

液压管接头标准委员会成员，参与国家及行业标准的起草和修订近20项，专利技术40多项。

公司拥有先进的生产和检测设备。现有精密自动数控车床、弯管机、扣压机、锻压机床、从日本进口的镗铣加工中心与车铣加

工中心、从美国进口的精密珩磨机、立式加工中心、装配生产线等先进设备4000多台，自主电镀线6条，具备年产橡胶软管总成

1200万根，液压接头1.5亿件的生产能力。拥有静压试验台、爆破试验台、动态脉冲试验台、碳硫分析仪、盐雾试验箱等检测设备

30余套，为生产高品质的产品提供了可靠的检测保障。

公司产品主要配套客户有：卡特彼勒、三一重工、柳工、徐工、中联重科、山河智能、厦工、约翰迪尔、山推等知名主机单

位，出口欧、美、澳、亚、非等35个国家和地区。销售额连续十三年位居中国工程机械工业协会工程机械配套件同行业首位。

公司通过了ISO9001质量体系认证，卡特彼勒金牌优秀供应商质量体系认证，三一卓越贡献奖，柳工十佳供应商等荣誉，和优

质客户共同高速发展。

公司始终秉承“真诚创造成功，合作实现价值”的核心理念，目前正以国家“一带一路”倡议、“中国制造2025”战略等机遇

为契机，“高起点、高投入、高

产出”规划“绿色环保、智能制

造”工厂建设，全面提升保质、

保量、保交期的能力，在推动高

质量发展的道路上实干奋进！

手先导阀 Handle Pilot Valves----p2-p19

脚先导阀 Feet Pilot Valves----p20-p35

推土阀 Dozing Pilot Valves----p36-p37

先导阀组 Pilot Valves Group----p38-p45

单向阀组 Check Valves----p46-p50

梭阀组 Shuttle Valves----p51-p54

切换阀

单向阀SDXF系列 Check Valves SDXF----p62-p67

单向阀SCV系列 Check Valves SCV----p68-p69

背压阀BPV系列 Back Pressure Valves BPV----p70-p71

背压阀LV系列 Back Pressure Valves LV----p72-p73

单向节流阀 Orifice Check Valve----p74-p84

截止阀 Stop Valves----p85-p87

保持阀 Retaining Valves----p88

液控换向阀 Hydraulic Control Directional Valves----p89

手动气控阀manual Air Control Multi-way Valve----p90-p95

放油阀discharging Oil Valve----p96

Switching Valve----p55-p61

常规阀 / GERENAL VALVE

p98-p101

p102-p105

p106-p107

p108-p111

p112

苏强格

先导控制手柄

用于各种挖掘机

特性曲线

G: 全部为G1/4EO，

M:全部为M14X1.5EO

G1:P口为G1/4E0,其他为G3/8E0

如需要其他形式的特性曲线等

其他要求用文字说明

1.进油口压力：额定压力35bar, 最大100bar；

2.T口背压：最大3bar

3.最大流量：25L/min；

4.液压油温范围：-20℃~+90℃

5.液压油：适用于丁晴橡胶密封，满足DIN51524的矿物

油(HL,HLP)

6.粘度范围：10mm²-380mm²

7.油液污染度：最高允许为NAS 1638的九级。

因此我们推荐过滤器的最小过滤比为β10≥75

8.手柄最大允许操作力矩：6N.m当工作时；

30N.m特殊情况，一次性要求

；

；

；

曲线代码

A

B

Q1 Q2 Q3 Q4 Q5

5

28

5

22

6

25

8

28

5.8

19.2

1.Inport pressure: Rate pressure: 35bar Max

pressure:100bar

2.Max T port back pressure:3bar

3.Max flow: 25L/min

4.Operating temp.:-20℃～+ 90℃

5.Hydraulic oil: Use for NBR seal ,Meet with DIN

51524 mineral oil (HL, HLP)

6.Filter precision: ISO 10-380mm2

7.Fluid contamination: Max,the 9 grade of NAS 1638

Recommend: filter min β10≥75

8.The maximum allowable: Working,6 N•m

Control torque of footrest: Special , 30N•m

Performance Curves

Use all kind excavtor

Handle Pilot Control Valve

Stronger

Other requirements to described by

words For example, other forms of

performance curves etc.

左手先导阀

LEFT HANDLE PILOT VALVES

SR PVH-E SR PVH-E

1: 有一个按钮开关

0: 无按钮开关

左手柄

SR PVH- E - Q5 - 1 - G - L -

02 03

Oil Port Thread Form G-G1/4 EO

Thread , M -M14X1.5 EO Thread

G1: P port is G1/4E0,others are G3/8E0

L-left handle pilot Valve

1: One button switch

0: No button switch

苏强格

先导控制手柄

用于各种挖掘机

特性曲线

G: 全部为G1/4EO，

M:全部为M14X1.5EO

G1:P口为G1/4E0,其他为G3/8E0

如需要其他形式的特性曲线等

其他要求用文字说明

1.进油口压力：额定压力35bar, 最大100bar；

2.T口背压：最大3bar

3.最大流量：25L/min；

4.液压油温范围：-20℃~+90℃

5.液压油：适用于丁晴橡胶密封，满足DIN51524的矿物

油(HL,HLP)

6.粘度范围：10mm²-380mm²

7.油液污染度：最高允许为NAS 1638的九级。

因此我们推荐过滤器的最小过滤比为β10≥75

8.手柄最大允许操作力矩：6N.m当工作时；

30N.m特殊情况，一次性要求

；

；

；

曲线代码

A

B

Q1 Q2 Q3 Q4 Q5

5

28

5

22

6

25

8

28

5.8

19.2

1.Inport pressure: Rate pressure: 35bar Max

pressure:100bar

2.Max T port back pressure:3bar

3.Max flow: 25L/min

4.Operating temp.:-20℃～+ 90℃

5.Hydraulic oil: Use for NBR seal ,Meet with DIN

51524 mineral oil (HL, HLP)

6.Filter precision: ISO 10-380mm2

7.Fluid contamination: Max,the 9 grade of NAS 1638

Recommend: filter min β10≥75

8.The maximum allowable: Working,6 N•m

Control torque of footrest: Special , 30N•m

Performance Curves

Use all kind excavtor

Handle Pilot Control Valve

Stronger

Oil Port Thread Form G-G1/4 EO

Thread , M -M14X1.5 EO Thread

G1: P port is G1/4E0,others are G3/8E0

Other requirements to described by

words For example, other forms of

performance curves etc.

右手先导阀

RIGHT HANDLE PILOT VALVES

SR PVH-E SR PVH-E

1: 有一个按钮开关

0: 无按钮开关

右手柄 R-Right handle pilot Valve

1: One button switch

0: No button switch

SR PVH- E - Q5 - 1 - G - R -

04 05

06 07

08 09

10 11

12 13

14 15

SR PVH-J-Q9 SR PVH-J-Q9

16 17

装载机先导手柄

LOADER HANDLE PILOT VALVES

Other requirements to described by

words For example, other forms of

performance curve, etc.

Product number

R-Right handle pilot valve

M: Metric thread with oil port

Performance Curves

Used in loader

Handle Pilot Valve

Stronger

产品开发号

右手

M为公制螺纹油口

特性曲线

用于装载机

手先导阀

苏强格

18 19

20 21

不带脚踏板 No pedal

SR PHF- A - Q2 - 4S- G - N -

22 23

SR PHF- A - Q2 - 4 - G -

24 25

SR PHF-A-Q2 SR PHF-A-Q2

26 27

28 29

SR PHF- A - Q2 - 2 - G -

曲线代码 Q1 Q2 Q3 Q4 Q5 Q7

A 5 5 5.8 5 5 6.4

B 28 22 19.5 24.5 26 24.5

SR PHF-A-Q2 SR PHF-A-Q2

30 31

曲线代码 Q1 Q2 Q3 Q4 Q5 Q7

A 5 5 5.8 5 5 6.4

B 28 22 19.5 24.5 26 24.5

单脚踏阀(不带踏板)

SINGLE FOOT(NO PEDAL)

不带脚踏板 No pedal

SR PHF- A - Q2 - 2 - G - N -

SR PHF-A-Q2 SR PHF-A-Q2

32 33

单脚踏板制动阀

SINGLE PEDAL BRAKE VALVE

SR PHF-C-Q10-2-0A SR PHF-C-Q10-2-0A

1.Inport pressure: Max pressure 100bar

2.Max flow: 35.2/min

3.Operating temp: ﹣20℃~+90℃

4.Filter precision: ISO 10-380㎜²/s

5.Fluid contamination: Max,the 9 grade of NAS 1638

Recommend: filter minβ10≥75

6.Dustproof plastic parts(color): black

7.Surface coating: paint spraying, black

8.Oil Port

P,T,A1,A2,A1P,A2P Oil port: 9/16\"X18UNF-2B(ISO11926-1)

34 35

36 37

38 39

40 41

42 43

44 45

SR XDK-20/45-35L2 SR XDK-20/45-35S1

1.最大流量: 20L/min, P口最高压力:350bar;

T口最高背压：2bar

2.减压阀: 35±1.5bar，溢流阀: 45±2bar

3.电磁阀：电压：12VC±15％ 功率：17.2W

防肪等级: IP69K，自带连接器:DT04-2P；

4.蓄能器：0.35L,预充气压力：15bar,

保压要求: 5min 输出压力≥27bar

油口形式: P1、T、PV、PR、BV：JISB2351 G1/4

5.阀体表面镀三价铬。

1.额定流量: 20L/min, T口最高背压:350bar;

2.减压阀: 35±1.5bar，溢流阀: 45±3bar

3.电磁阀：电压：12VC±15％ 功率：17.2W

防肪等级: IP67

4.蓄能器：0.35L,预充气压力：15bar,

保压要求: 5min 输出压力≥27bar

5.油口形式: P1、T、PV、PR、BV：JISB2351 G1/4平面密封

6.使用温度：-20℃~+90℃

7.阀块表面镀三价铬

8.允许污染度≤NAS9级

1.Max flow: 20L/min,P port Max pressure: 350bar

T port Max back pressure: 2bar

2.Pressure reducing valve: 35±1.5bar, Relief valve:45±2bar

3.Solenoid valve: voltage: 12V±15% Power: 17.2W

Protection grade: IP69K With the connecter: DT04-2P

4.Accumulator: 0.35L Pre-charge pressure: 15bar

Pressure maintaining: 5min Output voltage: ≥27bar

Oil port forms: P1,T,PV,PR,BV: JISB2351 G1/4

5.Valve surface: Trivalent chromium plating

1.Rated flow:20L/min Tport Max back pressure:350bar

2.Pressure reducing valve:35±1.5bar, Relief valve:45±3bar

3.Solenoid valve:voltage:12V±15% Power：17.2W

Protection grade：IP67

4.Accumulator：0.35L Pre-charge pressure：15bar

Pressure maintaining：5min Output voltage：≥27bar

5.Oil port forms：

P1,T,PV,PR,BV：JISB2351 G1/4flat seal

6.Operating temp：﹣20℃~﹢90℃

7.Valve surface:Trivalent chromium plating

8.Allow Containmination:≦NAS9 grade

46 47

电磁阀组

ELECTROMAGNETIC VALVE GROUP

48 49

50 51

52 53

常 规 阀

切换阀

SWITCHING VALVE

QHF-10/100A

1.最大流量: 10L/min,

2.内泄漏: ≤20ml/min@40bar;

3.产品表面镀三价铬

4.使用温度: -20℃~90℃

5.允许污染度: NAS 9级；

6.所有油口: JISG1/4 Eo

最大压力: 100Mpa;

1.Max flow: 10L/min Max pressure: 100Mpa

2.Internal leakage: ≦20ml/min@40bar

3.Valve surface: Trivalent chromium plating

4.Operating temp: ﹣20℃~90℃

5.Allow Containmination: ≦NAS9 grade

6.Oil ports: JISG1/4 EO

GERENAL VALVE

54 55

常 规 阀

充液阀

FILLING VALVES

常 规 阀

充液阀

FILLING VALVES

1.最大压力：17Mpa;

2.最大流量：70L/min,额定流量40L/min;

3.冲液速率：30L/min;

4.使用温度：-20℃~100℃

5.油液污染度：最高允许为NAS 1638的九级；

6.表面涂装：喷漆，色黑；

7.油口P、T是1-1/16 “X12UN ISO 11926-1 EO”密封；

油口A、B、G7、DR是3/4“X16UNF ISO 11926-1EO密封”。

SCYF-70/160 SCYF-70/160

GERENAL VALVE GERENAL VALVE

56 57

1.Max pressure:17Mpa

2.Max Flow:70L/min Rated Flow40L/min

3.Filling rate:30L/min

4.Operating temp：﹣20℃~﹢100℃

5.Fluid Containmination:Max,the 9grade of NAS 1638

6.Valve surface:Spray painting - black

7.Oil port P,T ：1-1/16 \"X12UN ISO 11926-1EO\"sealed

Oil port A,B,G7,DR:\"3/4“X16UNFISO11926-1EO\"sealed

常 规 阀 常 规 阀

电磁切换阀 切换阀

1.最大流量: 130L/min, 最大压力:315bar;

2.电磁阀: 电压: 4VC，功率:22W;

防肪等级: IP69K，自带连接器:DT04-2P；

3.油口形式: 4: JIS B 2351 G1/4;

油口形式: 1、2、3: JIS B 2351 G1/2;

1口只能作为T口回油使用，最大压力不能大于50bar;

4.液控阀启动的先导压力4bar;

5.阀体表面镀三价铬。

YKHXF-12-22-130/315 QHF-10/100B

1.额定流量：10L/min,额定压力：100bar

2.内泄漏：在100bar时≤10ml

3.阀块表面镀蓝白锌

4.使用温度：-20℃~+90℃

5.油液粘度范围：ISO 20~380mm2/s

6.允许污染度：ISO 4406 class 21/19/16

7.所有油口：G1/4 ED平面密封

8.阀块按图示激光打标

1.Max pressure 315bar Max flow：130L/min

2.Solenoid valve: voltage: 4VC, power: 22W;

3.Protection level: IP69K, with connector: DT04-2P;

Oil Ports:1、2、3:JISB2351G1/2;

port 1 :can only be used as return to port T, Max pressure ≦ 50bar

4.The pilot pressure of the hydraulic control valve is 4bar;

5.Valve surface:Trivalent chromium plating

ELECTROMAGNETIC SWITCHING VALVE SWITCHING VALVE

GERENAL VALVE GERENAL VALVE

58 59

1.Rated flow: 10L/min Rated pressure: 100bar

2.Internal leakage: ≦10ml at 100bar

3.Valve surface: Zinc plating-blue&white

4.Operating temp:﹣20℃~﹢90℃

5.Filter Precision: ISO 20~380㎜²/s

6.Allow Containmination: ISO 44063 class 21/19/16

7.Oil ports: G1/4 ED plate sealed

8.Valve Block: laser marking as shown

常 规 阀 常 规 阀

快换装置用电磁换向阀

SOLENOID REVERSING VALVE

SHXF-20-350-A SHXF-20-350J110-A

低压快换电磁阀

LOW PRESSURE QUICK SOLENOID VALVE

1.额定流量: 20L/min, 最大压力: 350bar

2.线圈电压: 12V±15％，功率: 20.5W

自带边接器: DT04-2P,防水等级级: IP69K

3.使用温度: -20℃~+90℃

4.液控单向阀导压比: 3:1

5.减压阀调定压力: 110bar;

6.允许污染度: NAS9级，

最大颗粒物≤0.3mm,

异物总重≤5.1mg;

7.阀体表面镀锌，镀锌72小时无白锈；

8.A、B、T 油口: G1/4 JIS B2351

P油口: M16X1.5 ISO 8431-1 24度内锥。

1.额定流量: 20L/min, 最大压力: 350bar

2.线圈电压: 12V±15％，功率: 20.5W

自带边接器: DT04-2P,防水等级级: IP69K

3.使用温度: -20℃~+90℃

4.允许污染度: NAS9级，

最大颗粒物≤0.3mm,

异物总重≤3.3mg;

5.阀体表面镀锌，镀锌72小时无白锈；

6.A、B、T 油口: G1/4 JIS B2351

P油口: M16X1.5 ISO 8431-1 24度内锥。

GERENAL VALVE GERENAL VALVE

1.Max pressure 350bar

Rated flow：20L/min

2.Coil voltage: 12V±15%, power: 20.5W

With the connecter：DT04-2P

Waterproof performance:IP69K

3.Operating temp：﹣20℃~﹢90℃

4.Fluid contamination：Max,the 9 grade of NAS

Maximum particles ≤0.3mm

Total foreign matter weight ≤3.3mg;

5.Valve surface：Galvanized,

no white rust for 72 hours after galvanizing

6.A、B、T oil port:G1/4JISB2351

P port:M16X1.5ISO8431-1 24 degree inner cone

1.Max pressure 350bar

Rated flow：20L/min

2.Coil voltage: 12V±15%, power: 20.5W

With the connecter：DT04-2P

Waterproof performance:IP69K

3.Operating temp：﹣20℃~﹢90℃

4.Pressure reducing valve setting pressure: 110bar

5.Hydraulic control check valve：

Pilot pressure ratio：3:1

6.Fluid contamination：Max,the 9 grade of NAS

Maximum particles ≤0.3mm

Total foreign matter weight ≤5.1mg;

7.Valve surface：Galvanized,

no white rust for 72 hours after galvanizing

8.A、B、T oil port:G1/4JISB2351

P port:M16X1.5ISO8431-1 24 degree inner cone

60 61

62 63

64 65

66 67

68 69

70 71

72 73

74 75

代号

DXJLF-14-04ED-L-XX-N

DXJLF-16-04ED- XX-N

DXJLF-18-04ED- XX-N

DXJLF-14-06ED- XX-N

DXJLF-16-06ED- XX-N

DXJLF-18-06ED- XX-N

DXJLF-14-M12ED- XX-N

DXJLF-16-M12ED- XX-N

DXJLF-18-M12ED- XX-N

DXJLF-14-M14ED- XX-N

DXJLF-16-M14ED- XX-N

DXJLF-18-M14ED- XX-N

LLLLLLLLLLL代号

DXJLF-14-04EO-L-XX-N

DXJLF-16-04EO- XX-N

DXJLF-18-04EO- XX-N

DXJLF-14-06EO- XX-N

DXJLF-16-06EO- XX-N

DXJLF-18-06EO- XX-N

LLLLL注: 代号中的XX是定义阻尼孔的大小,滤网目数100 代号中的N是定义不带滤网 如需要滤网需将N去除

XX is Orifice size, filter mesh 100, N is without filter.

注: 代号中的XX是定义阻尼孔的大小,滤网目数100 代号中的N是定义不带滤网 如需要滤网需将N去除

XX is Orifice size, filter mesh 100, N is without filter.

76 77

78 79

80 81

82 83

84 85

86 87

88 89

90 91

92 93

94 95