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Technical Information - Fig No. 512

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Article

The Type ‘CD’ Fig. No. 512 Pressure Reducing Valve is direct-acting, self-contained, single seated, piston balanced, diaphragm controlled and spring regulated.

Reduced pressure is diverted to act upon the diaphragm and control the opening and closing of the valve against the flow in accordance with the regulating spring setting. The setting is unaffected by the inlet pressure variations in this balanced spindle valve.

Ideally suited to drop-tight applications of high pressure water, air, gas oil or chemical services.

Specifications

Connections Screwed or flanged
Working Pressure 5000 kPa Maximum
Adjustable Ranges 0-120, 70-230, 200-700 kPa
Temp. Range 2 - 90oC

Dimensions (mm)

Valve Size 20 25 32 40 50 80
'A' Scd 140 140 135 155 180 292
'A' Flgd 140 140 178 195 238
'B' 60 60 70 80 85 115
'C' 280 280 280 340 360 430
Mass / Kg 9 9 11 13 17 50

Materials

Body & Internals Bronze AS 1565/836B
Spring Cage Cast Iron
Diaphragm Neoprene - reinforced
Valve Disc Buna - N
Valve Spring Grade 304 stainless steel
Regulating Spring Spring Steel
Valve, Spindle & Seat Grade 316 stainless steel
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