SPIRAX Marshall Pressure Reducing Valve Model: DP143:
Limiting Conditions: Maximum Working Condition 26 kg / cm2 at 300 Deg C. Body design Conditions: 42 kg / cm2 at 427 Deg C.
Cold Hydraulic test pressure without internals: 52 kg/cm2
Three colour coded pressure adjustment springs are available for the following downstream pressure ranges:
Yellow :02 to 3 bar
Blue :2.5 to 7 bar
Red :6.0 to 17.3 bar
Grey :16.0 to 24.4 bar
Sizes: NB 15,20, 25,40, 50 and 80.
Std. Accessories: Pr. Gauge, syphon & Gauge cock
Pipe Connections :Flanged to -BS10 table - 'J' * & 'K' ANSI - 300' * & '600' DIN - ND - '25' & * '40'*
Note - 80 NB has these flanges only.
How to order ?
1) 20 NB SPIRAX MARSHALL DP -143 FOR STEAM FLANGED TO BS 10 TABLE 'K' IBR (OR NIBR).
2) 40 NB SPIRAX MARSHALL DP 143 FOR AIR Flanged TO ANSI 300 NIBR. Pressure Reducing Valve DP 143
Office No. 4/B, Kamruddin Industrial Estate, Opp. Nand Jyot Industrial Estate, Kurla Andheri Road, Mumbai, Maharashtra, 400072, India