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Metal Seated Floating Ball Valve

1. Product overview

metal seated floating ball valve

A metal seated ball valve, forged steel A105N body, lever operated.

The metal seated floating ball valve refers to a typical floating type ball valve(usually forged steel) which adopts metal to metal contact between the sealing surfaces of the ball and seat. Proper face-hardening process shall be conducted including ultra-sonic spray coating, nickel-based alloy spray welding, stellite spray overlay, as well as ceramic material coating, etc. In order to meet the “zero leakage” sealing requirement, the ball shall be carefully ground to extremely accurate roundness and smoothness by rotating the ball and grinding apparatus in different directions.

2. Specifications of metal seated ball valves

Technical Drawing & Dimensions for Metal Seated Floating Ball Valve
Class 150Class 300Class 400Class 600Class 900Class 1500Class 2500

Design Features

Design features of metal seated floating ball valves.

Design features of metal seated floating ball valves, two piece split body, side entry.

Metal seated floating ball valves of Metals Valve are designed to API 6D, API 608, ISO 17292. End connection: RF/RTJ according to ASME B16.5, BW according to ASME B16.25, SW & NPT according to ASME B1.20.1. Valve shall be furnished with blowout proof stem, anti-static device and API 607 fire safe design. Especially,

(1) Top mounting pad design as per ISO 5211. Optional worm gear, electric actuator and pneumatic actuator are available.
(2) Hard faced ball and seat to satisfy the requirement of high hardness, high temperature resistance, and wear resistance.
(3) Under the stress of preloaded spring, a tight sealing is secured even in low operating pressure.
(4) Self-cleaning dust proof seat design is available.

Material Selection

The material selection of metal seated floating ball valves  includes body and all trims’ materials which are listed in below table.

3D explosive view of metal seated floating ball valve

The 3D explosive view of a metal seated floating ball valve, 2 piece split body, side entry.

ItemPart NameStandard MaterialsSour ServiceStainless SteelLow-Temp. Service
1BODYASTM A105NASTM A105NASTM A182 F316ASTM A350 LF2
2BONNETASTM A105NASTM A105NASTM A182 F316ASTM A350 LF2
3BALLA182 F316+WCA182 F316+WCA182 F316+WCA182 F316+WC
4LEVERAISI 1045AISI 1045ASTM A276 304ASTM A276 304
5GLAND FLANGEAISI 1035AISI 1035ASTM A276 304ASTM A276 304
6SEAT RINGA182 F316+WCA182 F316+WCA182 F316+WCA182 F316+WC
7SEAT GLANDASTM A182 F316ASTM A182 F316ASTM A182 F316ASTM A182 F316
8STEM17-4PH17-4PH17-4PH17-4PH
9GLANDASTM A182 F304LASTM A182 F304LASTM A182 F304LASTM A182 F304L
10THRUST WASHERA182 F316L+N2A182 F316L+N2A182 F316L+N2A182 F316L+N2
11GASKET316+GRAPHITE316+GRAPHITE316+GRAPHITE316+GRAPHITE
12PACKINGGRAPHITEGRAPHITEGRAPHITEGRAPHITE
13GASKETGRAPHITEGRAPHITEGRAPHITEGRAPHITE
14BOLTASTM A193 B7ASTM A193 B7MASTM A193 B8ASTM A320 L7M
15SPRING17-7PH17-7PHINCONEL X-750INCONEL X-750
16STUDASTM A193 B7ASTM A193 B7MASTM A193 B8ASTM A320 L7M
17NUTASTM A193 2HASTM A193 2HMASTM A194 8ASTM A194 7M
18COVER FLANGEASTM A216 WCBASTM A216 WCBASTM A182 F316ASTM A350 LF2
19PINASTM A276 420ASTM A276 420ASTM A276 420ASTM A276 420
20GASKET316+GRAPHITE316+GRAPHITE316+GRAPHITE316+GRAPHITE
21STOP PLATEAISI 1045AISI 1045ASTM A276 420ASTM A276 420
22RETAINERAISI 1066AISI 1066ASTM A276 304ASTM A276 304
23BOLTAISI 1035AISI 1035ASTM A276 304ASTM A276 304
24WASHERAISI 1035AISI 1035ASTM A276 304ASTM A276 304
25PINAISI 1035AISI 1035ASTM A276 304ASTM A276 304
26SCREWAISI 1035AISI 1035ASTM A276 304ASTM A276 304
27LOCK PLATEASTM A276 304ASTM A276 304ASTM A276 304ASTM A276 304
28PINAISI 1035AISI 1035ASTM A276 304ASTM A276 304
The conventional material selection for body and all trims of a metal seated floating ball valve, side entry, 2 piece split body design. "WC" refers to Tungsten Carbide overlay for hard facing. "N2" refers to nitriding heat treatment.

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CATEGORY AND TAGS:

Floating Ball Valve

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