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Forged Steel Bellows Seal Gate Valve

Forged Steel Bellows Seal Gate Valve
Price: US $ 20/Piece
Trade Terms: FOB,CFR,CIF
Min Order: 1/Piece
Pay Type: L/C,T/T,Western Union
Application
Petroleum, chemical industry, pharmacy, fertilizer, power industry etc.
 
Advantage
1.Bellow seal element. The key part of bellow sealed globe valves is mental bellow. It is the connection between cover and stem with automatic roll welding. The mental bellow can keep the stem part no leakage.
2.Double seal design(bellows+packing). Bellow and packing can protect against leakage and provide a excellent seal.
3. Grease nipple. It can direct lubricate the stem, nut and sleeve.
4. Ergonomic hand wheel. It provide longer service life and easier operation.
Technical specification
Design standard: DIN 3356
Face to face dimension: DIN 3202
Flanged ends: DIN 2543-2545
Test & inspection: DIN 3230
 
Main part materials
 
NO.Part nameMaterial
1BodyA105N,F304,F316
2SeatS.S304,Stellite
3DiscA105N+2Cr13/304
4Stem2Cr13,F304,F316
5Bellow assembleS.S304,S.S316
6Composite gasketFlexible graphite+ stainless steel
7PackingFlexible graphite
8BoltASTM 193-B7,A193-B8,A193-B8M
9Jack pin45#,F304,F316
10Jack boltASTM 193-B7,A193-B8,A193-B8M
11Jack stem nutASTM 194-2H,A194-8,A194-8M
12Packing bushing2Cr13,F304,F316
13Packing glandA105N,F304,F316
14Stem nutCopper alloy,D2
15Hand wheelA105N
16Cap45#
17CoverA105N,F304,F316
 
 
 
 
 
 
 
Performance specification
Nominal PressurePN
Test PressureStrength test1.5PNMPa
Sealing test1.1PN
Gas seal test0.6
Bellows test1.1PN
Suitable temp-196ºC~600ºC
Main connection size
PN 16
DNMain connection size
LDD1D2bfHn-Φd
151409565451622334-Φ14
2015210575581822334-Φ14
2521011585681822844-Φ14
32230140100781823264-Φ18
40240150110881833664-Φ18
502501651251022033944-Φ18
PN 25
151409565451622334-Φ14
2015210575581822334-Φ14
2521011585681822844-Φ14
32230140100781823264-Φ18
40240150110881833664-Φ18
502501651251022033944-Φ18
PN 40
151409565451622334-Φ14
2015210575581822334-Φ14
2521011585681822844-Φ14
32230140100781823264-Φ18
40240150110881833664-Φ18
502501651251022033944-Φ18
 
Prod Model: WZ41H
Markets: North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe
Body: Cast Steel, 304, 316 316L
Size: 1/2"~2"
Connection Form: Flange
Seal Surface: Wedge Gate Valve
Thread Position Of Valve Rod: Inside Gate Valve
Application: Water Industrial Usage
Material: Forged Steel
Zhejiang Newton Fluid Control Co., Ltd. (NFC)

Introduction

The NFC is a professional bellow sealed valves company located in Oubei Wenzhou which is named the land of pumps and valves. It is founded in 2000, when its name is Yongjia Huamei Valve, and devoted to valve research and development, manufacture, marketing and service. Through the past decade, with unremitting efforts and innovation, the NFC has become one of the leading companies in the valve industry. It has over 200 staff members, of which there are more than 20 employees with senior professional titles and more than 140 employees with professional valve manufacturing skills.

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  • Zhejiang Newton Fluid Control Co., Ltd.

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