Check valve,Check valve,Zhejiang Guanlong Machinery Valve Co.,LTD.

Overview: strong circulation flow resistance is small, with slow closing noise, no vibration and noise function.

Name: HdH4（6/8/9）X/H HTiny...
1: Main external connection dimension：DN50-2000
2: Nominal Diameter：PN1.0-2.5
3: Main Parts and Materials：Gray casting iron;Body
4: Applicable Medium：Water
5: Working Temperature(℃）：≤80℃
6: Design and Application Standard：GB、BS、ANSI、JIS、DIN、API

Overview: GJLH off, throttling, multi-functional check valve cohesion traditional globe valves, control valves, check valves essence three kinds of functions.

Name: GLH41H, GJL H42H off...
1: Main Dimensions: DN50-500
2: Nominal pressure: PN1.0-4.0
3: Main parts material: cast iron, cast steel
4: Suitable medium: water, water, steam, gas, oil, etc.
5: Operating temperature: 0 ~ 600 ℃
6: Design and Application of Standards: GB, BS, ANSI, JIS, DIN, API

Inquiry

Overview: The valve system is mainly used for water, heat and acid, etc. with strong oxidizing medium in, often with as boiler accessories.

Name: H71H / W Wafer Type ...
1: Main Dimensions: DN15-250
2: Nominal pressure: PN1.0-4.0
3: Material of main parts: Body, cast steel, stainless steel
4: Suitable medium: water, oil, steam, nitric acid and urea oxidizing corrosive media
5: Working temperature: ≤200 ℃
6: Design and Application of Standards: GB, BS, ANSI, JIS, DIN, API

Inquiry

Overview: The valve is used to replace the water pump outlet check valve

Name: GLDH70（1/2/3/4/5）X-（...
1: Main external connection dimension：DN300-1600
2: Nominal Diameter：PN1.0-2.5
3: Main Parts and Materials：Body
4: Applicable Medium：Water
5: Working Temperature(℃）：0~80℃
6: Design and Application Standard：GB、BS、ANSI、JIS、DIN、API

Inquiry

Overview: H74H series valve compact structure, simple in design. Mainly used for water supply system, high-rise buildings and industrial areas, due to the short length of the structure, generally applies to limited space on the installation place.

Name: H74W/H/N/X/F Thin Wa...
1: Main Dimensions: DN50-1000
2: Nominal pressure: PN1.0-4.0
3: Main parts material: stainless steel, carbon steel
4: Applicable medium: oil, water, acid and other media
5: Working temperature: ≤80 ℃ soft seal or seal hard ≤150 ≤200 ℃
6: Design and Application of Standards: GB, BS, ANSI, JIS, DIN, API

Inquiry

Overview: Simple and compact structure,lightweight,easy open and close for convebience of disasscmbly and servicing

Name: H77H/Y-C、H77X、H77W B...
1: Main external connection dimension：DN80-1000
2: Nominal Diameter：PN1.0-2.5
3: Main Parts and Materials：Stainless Steel
4: Applicable Medium：water(steam)Medium Oil
5: Working Temperature(℃）：Soft seal≤400℃ hard seal120（highest≤250）
6: Design and Application Standard：GB、BS、ANSI、JIS、DIN、API

Inquiry

Overview: H76X/H(DDCV Series)valves are mainly composed of body,disc(valve stem),spring and etc.

Name: H76X/H(DDCV)、H46X/H ...
1: Main external connection dimension：DN40-1200
2: Nominal Diameter：PN1.0-4.0
3: Main Parts and Materials：Stainless Steel
4: Applicable Medium：water(steam)Medium Oil
5: Working Temperature(℃）：Soft seal≤80℃ hard seal≤200℃
6: Design and Application Standard：GB、BS、ANSI、JIS、DIN、API

Inquiry

Overview: Is composed of a valve body, valve, valve rod and spring structure,

Name: H76 lug wafer type d...
1: Main external connection dimension：DN40-1000
2: Nominal Diameter：PN1.0-4.0
3: Main Parts and Materials：Stainless Steel
4: Applicable Medium：water(steam)Medium Oil
5: Working Temperature(℃）：10~135℃
6: Design and Application Standard：GB、BS、ANSI、JIS、DIN、API

Inquiry

Overview: Mainly used for drainage systems, to be installed perpendicular to the pipeline, the system relies on the pressure difference within the valve and its own weight to achieve lift and off.

Name: Lift check valve H41...
1: Main external connection dimension ：DN15-300
2: Nominal Diameter：PN1.6-4.0
3: Main Parts and Materials：body
4: Applicable Medium：Water
5: Working Temperature(℃）：≤80℃
6: Design and Application Standard：GB、BS、ANSI、JIS、DIN、API