Mss Sp-71 Class 125 Cast Iron Swing Check Valve

• Material: Cast Iron
• Connection Form: Flange
• Structure: Tubular
• Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
• Sealing Form: Bellows Globe Valve
• Flow Direction: Reversing
• Model NO.: MSS SP-71 CLASS 125 CHECK VALVE
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Size: 1/2"-120"
• Transport Package: Sea Worthy
• Trademark: C&N
• Origin: China
• Production Capacity: 1000ton/Month

Product Description

 MSS SP-71 CLASS 125 CAST IRON 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

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
 

 

Materials of parts
No.	Part Name	Material
1	BODY	ASTM A126 B
2	SEAT RING	ASTM B62 C83600
3	DISC	ASTM A126 B
4	DISC RING	ASTM B62 C83600
5	HINGE	ASTM A536 65-45-12
6	STEM	ASTM A276 410
7	BONNET	ASTM A126 B
NOTE: Above 6 inch have eyebolt

 

 

 

Dimensions data (mm)
NPS	2″	2½	3	4	5	6	8	10	12	14	16	18	20	24
Dn	51	63.5	76	102	127	152	203	254	305	356	406	457	508	610
L	203.2	215.9	241.3	292.1	330.2	355.6	495.3	622.3	698.5	787.4	914.4	965	1016	1219
D	152	178	191	229	254	279	343	406	483	533	597	635	699	813
D1	120.7	139.7	152.4	190.5	215.9	241.3	298.5	362	431.8	476.3	539.8	577.9	635	749.3
b	15.8	17.5	19	23.9	23.9	25.4	28.5	30.2	31.8	35	36.6	39.6	42.9	47.8
n-d	4-19	4-19	4-19	8-19	8-22	8-22	8-22	12-25	12-25	12-29	16-29	16-32	20-32	20-35
H	124	129	153	170	196	259	332	383	425	450	512	702	755	856