Ductile Iron Air Release Valve

Specifications Ductile Iron Air Release Valve

Media: water,neutral oil

Ductile Iron Air Release Valve   :     1. Certification: ISO9001, API600, CE0036, TS   2. Design: GB 12237-1989, DIN3320-F32, DIN3202 F1, DIN3356, MS SP-85, EN13709   3. Test: API598, JB/T 9092-1999, JB/T 9002, GB/T13927-1992   4. Flange Drilling: BS4504 Table 10/11,16/11, EN1092 PN10/PN16   5. Flange Connection: BS21, ANSI B1.20.1, ANSI B16.1 Class125/150, AS4087 PN14/16                                            DIN 2501 PN6/10/16, EN1092-2 PN6/10/16, BS10 Table D/E, JIS B2220   6. Standards: BS5163, BS5150 AWWA, DIN3352 F4/F5, GB/T 1348-2009   7. Tightness Check: API 598, ISO5208, EN12226-2 8. Coating: Epoxy powder coating, or coating as customers' requirement   Material of Air Valve:  

Materials List
Item	Part Name	Materials
1	Body	Cast Iron: ASTM A126CL. B, DIN1691 GG25, EN 1561 EN-GJL-200,                   GB12226 HT200, A126 Class B, QT400-15 Ductile Cast Iron: ASTM A536 65-45-12, DIN 1693 GGG40,                                 EN1563 EN-GJS-400-15, EN-JS1050, GB12227 QT450-10
2	Bonnet/Cover	Ductile Iron: ASTM-A-536, GGG500-7, QT450-10 Cast Iron: QT400-15
3	Disc	Stainless Steel: ASTM A351 CF8, CF8M, CF3, CF3M, EN 1.4408, 1.4469, 1.4501 Al-Bronze: ASTM B148 C95400
4	Seat	Stainless Steel 304
5	Float Ball	NBR, Stainless Steel, Brass
6	Stuffing Box	Cast Iron: FCD 450, QT450-10
7	Bracket	Stainless Steel 304
8	Spindle	Bronze: C95800
9	Stem Nut	Bronze: C95800 Stainless steel, BS970 431S29, DIN17440x20Cr13
10	Spindle Cap	Cast Iron: FCD 450, QT450-10
11	Stopper Washer	Cast Iron, Stainless Steel 304
12	Poppet	Stainless Steel,Al-Bronze

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