4 inch, 6 inch ductile iron Gate valve

Product Application

Tianjin Tanggu Water-seal Valve Co., Ltd was established in 1997. Our main products include Center line butterfly valve, flanged butterfly valve, metal butterfly valve, check valve, ball valve, muti-functions pump, gate valve, hydraulic control valve and their series products. They are widely used in water supply and drainage, electric power, petrol chemical, metallurgical and other industry.

Main Features

1) Online replacement of top seal; Easy installation and maintenance.

2) Integral rubber-clad disc: the ductile iron framework is thermal-clad integrally with high -performance rubber.ensuring tight seal and rust prevention.

3) Integrated brass mut; By means of special casting process, the brass stem nut is integrated with the disc with secure connection, thus the product is safe and reliable.

4)Flat-bottom seat: The sealing suface of the body is flat without hollow, avoiding any dirt deposit.

5)Wholly-through flow channel: the whol flow channel is through, give "zero" pressure loss

6)Dependable top sealing: With multi-O ring structure adopted, the sealing is dependable.

7)Epoxy resin coating: the cast is sprayed with epoxy resin coat both inside and outside. And the disc is wholly clad with rubber in accordance with food hygiene requirement, So it is safe and resisitant to corrosion.

Machine Parts

Name: Gate Valve

Brand: TWS

Original: China mainland, Tianjin

Specification: DN40 -DN600

PN: 1.0Mpa,, 1.6Mpa

Tempreture range: 《120℃

Executive standard: GB/T12232-89

Test standard: GB/T13927-92

1. Body--------65-45-12

2. Disc famework------65-45-12

3. Rubber sealed disc---65-45-12+EPDM

4.Shaft Nut---ZCuZn38Mn2Pb2

5.Middle Gasket----NBR

6.Innernal hexagon cylinder-head bolt----Q235-A

7. Bonnet-----------65-45-12

8. Bonnet O ring----NBR

9. Shaft------2Cr13

10.Bisect ring---ZCuZn38Mn2Pb2

11. Upper cover O-ring: NBR

12. Upper cover: 65-45-12

13. Internal hexagon cylinder-head bolt: Q235-A

14. Dust cover:NBR

15. Handwheel: 65-45-12

16. Flat gasket:304

17. Hexagon bolt: 304