Metal Seal Ball Valve
The metal hard seal high temperature ball valve has the following features: 1. Forged steel or cast steel valve body; floating or fixed type structure; 2. High precision sphere processing and high precision valve seat, reaching ANSIB16.104Ⅵ leakage standard; 3. Fixed structure to realize double direction sealing of the metal ball valve; 4. Reliable operation and small opening moment: the valve seat is equipped with integrated diaphragm spring to ensure small moment during opening or closing of the valve due to the pre-tightening force of the spring, so as to ensure operation reliability; 5. Safety in case of fire: fully metal structure ensures safety of the valve in case of fire; 6. Maximum applicable temperature up to 550℃ (1022°F): aerospace level high speed spray welded sphere and valve seat are used, hardness up to HRC70-72 and applicable temperature up to 550℃; 7. Connecting method: butt welding or socket welding, DIN flange or ANSI flange.
Keyword： Metal Seal Ball Valve
Detail
The metal hard seal high temperature ball valve has the following features:
1. Forged steel or cast steel valve body; floating or fixed type structure;
2. High precision sphere processing and high precision valve seat, reaching ANSIB16.104Ⅵ leakage standard;
3. Fixed structure to realize double direction sealing of the metal ball valve;
4. Reliable operation and small opening moment: the valve seat is equipped with integrated diaphragm spring to ensure small moment during opening or closing of the valve due to the pre-tightening force of the spring, so as to ensure operation reliability;
5. Safety in case of fire: fully metal structure ensures safety of the valve in case of fire;
6. Maximum applicable temperature up to 550℃ (1022°F): aerospace level high speed spray welded sphere and valve seat are used, hardness up to HRC70-72 and applicable temperature up to 550℃;
7. Connecting method: butt welding or socket welding, DIN flange or ANSI flange.
Design standards
Nominal diameter:1/2"(15mm)-12"(300mm)
Technical specification：GB AS DIN JS
Design Standard：API 6D、API 608、BS 5351、GB/T 12237、GB/T 21385-2008
Face to Face：GB/T 12221 ASME B16.10
Flanged Ends：GB/T 9113 JB 79 HG 20592 ASME B16.5 DIN2542-2546 JIS B2212 JIS B2214
Test and Inspection：GB/T 13927 B/T 26480 API6D API598 DIN3230 JIS B2003
Performance Specification
Nominal pressure:PN1.6-6.4,Class150/300,10K/20K
Strength test: 1.5PN
Seal Test: 1.1PN
Gas seal test: 0.6Mpa
Valve body material: A105,F304,F316，Duplex Stainless Steel
Seat seal:Stellite,Ni60,TC
Suitable medium: water, steam, oil ，Containing fibers, small solid particles, slurry, etc
Suitable temperature:-29℃~180℃；-29℃~425℃；-40~540℃
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