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Products > Gate valve > API big size gate valve

API big size gate valve

Model: Z541H / W / Y
Nominal diameter: 2 "to 48"
Nominal: 150Lb~1500Lb
Host material: carbon steel, stainless steel, duplex steel
Drive mode: hand wheel, gear, electric, pneumatic
Basic standards : API 600, BS1414, ASME B16.34
Flange connection: ASME B16.5, ASME B16.47,
Butt weld connection: ASME B16.25
Face to face dimension: ASME B16.10, EN558
Pressure - Temperature class: ASME B16.34
Testing: API 598, BS 6755, ASME B16.34
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1, API big size gate valve product overview

Gate valve pressure, temperature and caliber range, especially for medium and large diameter pipe.

From the simplest API valve to a very complex automatic control system used in a variety of API valves, the variety and specifications are quite diverse. The valve can be used to control the flow of various types of fluids such as air, water, steam, corrosive media, muds, oils, liquid metals and radioactive media.


2
, API big size gate valve product structure characteristics

1, product design and manufacture according to API standards, reliable sealing, excellent performance, supporting the use of imported equipment.

2,600Lb above gate and valve seat seal with stellite stellite (cobalt-based hardfacing), wear-resistant, high temperature, corrosion resistance, good scratch resistance, long life

3, the stem by quenching and nitriding surface treatment, have good corrosion resistance and scratch resistance.

4, using wedge-type flexible gate structure, large diameter set rolling bearings, opening and closing easily.

5, the full range of valve materials, packing, gasket reasonable selection according to the actual conditions or user requirements, can be applied to a variety of pressure, temperature and medium conditions.

6,1500LB, 2500LB The use of self-tight pressure chamber sealed structure. Sealing performance increases with increasing internal pressure, high reliability.

7, inverted seal with stainless steel threaded seal seat or body made of welded austenitic stainless steel, reliable sealing, packing replacement and maintenance can be carried out without downtime, convenient and quick does not affect the system operation. 
 
3, Main dimensions

DN150Lb convex flange RF
mminLDD1D2bZ-φdHD0
151/21088960.53511.54-φ16165100
203/4117987043134-φ16190100
25112710879.55114.54-φ16230120
321 1/41401178963.5164-φ16245120
401 1/216512798.57317.54-φ16285150
502178152120.59219.54-φ19325150
652 1/2190178139.510522.54-φ19350180
803203190152.5127244-φ19380200
1004229229190.5157248-φ19460200
1255254254216186248-φ22630250
1506267279241.521625.58-φ22635250
2008292343298.527028-φ22765280
2501033040636232430.512-φ26895300
300123564834323813212-φ261080350
350143815334764133512-φ291295350
400164064975404703716-φ291435400
450184326355785334016-φ321625400
500204576996355844320-φ321830450
60024508813749.56924820-φ352175500
6502655978674571141.536-φ222235550
7002861083779576244.540-φ222310600
7503061088784681344.544-φ222695600
800326609419008644648-φ223710-
900367111057101197252.544-φ263925-
1000408111175112110805644-φ294320-
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