MSS SP-71 Class 125 Cast Iron Air Cushion Swing Check Valve

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MSS SP-71 Class 125 Cast Iron Air Cushion Swing Check Valve

1.size:DN50-DN600;2’’-24’’
2.Medium:water
3.Standard:EN12334/BS5153/MSS SP-71/AWWA C508
4.Pressure:CLASS 125-300/PN10-25/200-300PSI
5.Material:CI,DI
6.Type:wafer,swing

Tel: +86- 532- 55785171 / 55785172 / 55786571 / 55786572

E-mail: info@qdiflow.com

Description

TECHNICAL REQUIREMENT :

● Design and Manufacture Conform to MSS SP-71

● Flange dimensions Conform to ASME B16.1

● Face to Face dimensions Conform to ASME B16.10

● Testing Conform to MSS SP-71

Specification

No.	Part Name	Material
1	BODY	ASTM A126-B
2	SEAT RING	ASTM B62 C83600
3	DISC	ASTM A126-B
4	CYLINDER APPARATUS	ASSEMBLY
5	DISC RING	ASTM B62 C83600
6	HINGE	ASTM A536 65-45-12
7	STEM	ASTM A276 410
8	BONNET	ASTM A126-B
9	LEVER	CARBON STEEL
10	WEIGHT	CAST IRON

Dimensions data(mm)

NPS	8	10	12	14	16	18	20	24
Dn	203	254	305	356	406	457	508	610
L	495.3	622.3	698.5	787.4	914.4	965	1016	1219
D	343	406	483	533	597	635	699	813
D1	298.5	362	431.8	476.3	539.8	577.9	635	749.3
b	28.5	30.2	31.8	35	36.6	39.6	42.9	47.8
n-d	8-22	12-25	12-25	12-29	16-29	16-32	20-32	20-35
H	332	383	425	450	512	702	755	856