Bellow Seal Flange ends Gate Valve

Group GATE VALVE
Min. Order 1 piece
Terms of Payment all
Update Time 2019-09-03
  • Description
  • Product review

Bellow Seal Flange ends Gate Valve

 

Applicable Standards:

1. Design & Manufacture standard: API 600/DIN3352

2. Pressure & Temperature standard: ASME B16.34/DIN2401

3. Face to face dimension standard: ASME B16.10/EN558

4. Flange standard: ASME B 16.5, ASME B16.47/EN1092

5. Test & Inspect standard: API 598/EN12266

 

Features:

1. Long cycle life bellows (2000 cycles) in Gr. 321 (stainless), Inconel for special applications, (may be replaced with Monel trim to resist corrosion or Hastalloy C for chlorine service).

2. Improved body-bonnet joint: Graphite reinforced with SS foil gasket for Class 150 valves. Fully-encased, spiral wound graphite-filled Gr. 316 (stainless) gasket for Classes 300-600.

3. Bolted body-bonnet for fast serviceability. Hermetically-sealed bonnets available for Classes 300 and 600.

4. Two or three section bellows assembly.

5. Non-rotating stemprevents torsion of bellows.

6. Two secondary stem seals: a) Backseat in open position; b) Graphite packing.

7. Welded-in seat hardfaced with CoCr alloy.

8. Wedge hardfaced with CoCr alloy for long life.

9. Seating faces hardfaced with CoCr alloy, ground and lapped.

 
Specification: 
Brand
RST

Material
SS304/316/304L/316L ( CF8/CF8M/CF3/CF3M), WCB, WCC, LCB,LCC,WC6,WC9, C5,C12, etc.
Size
1/2’’~24’’
Certificates
ISO9001 & CE, TS
Port
Full Port
Working Pressure
150LB~1500LB/PN16~PN64
Connection Ends
Wafer ends
Working Temp
-20~425℃, or according to customer requirements for different industry.
Suitable Medium
Water, Natural Gas, Oil and some corrosive liquid
Valve Test
100% quality tested before delivery
Shipment
Delivery Time
15~30 Days
Package
Standard Exporting Plywood Case
Shipping Port
Ningbo/Shanghai, China
Shipping Terms
Exw, FOB, CFR, CIF, etc.
Payment Terms
T/T, B/L, D/A, D/P, etc.
30% prepayment, 70% balance paid before shipping or against copy of BL
Valve Guarantee
18 month after shipments
Valve Sample
Sample available by RST VALVE
MOQ
1 SET
Accessories:

Gear operators, actuators, bypasses, locking devices, chain wheels, extended stems and bonnets for cryogenic service and many others are available to meet the customers’ requirements.



Applications:

1. Chemical Industry

2. Petro-chemical Industry

3.Plant Construction

4. Power Plant Engineer

5. Paper & Pump Industry

6. Mining

7. Gas Utilities

8. Environment Technologies

9. Steam Generation

10. Drink water

11. Sewage water industry

 
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