Two Valve Manifold Block and Bleed on ASA-RF Flange

Designed for one-piece block and bleed assemblies for primary isolation of pressure take-offs, where the valve is directly mounted to the vessel or process pipe. Instruments may be directly mounted to the valve outlet or alternatively remotely mounted with gauge lines/impulse pipe work.
Test Pressure @ 25° C Room Temperature
Hydrostatic   : Body – 620 Kg/cm2
Seat – 413 Kg/cm2
Pneumatic    : Seat – 40 Kg/cm2
Gland packing PTFE : Standard
GRAPHOIL : Temperatures above 180°C
Material : A 105, A 182 Gr F 304SS, A 182 Gr F 316SS, Monel, Hastelloy
Finish CS : Zinc Plated and Dichromated; SS : Natural
Accessory Mounting Bolts – IS : 1364 – 1960 – 4 Nos

Description

Size Inches
Rating Ib
A-RF
B
1/2″
150
57
89
1/2″
300
57
96
1/2″
600
61
96
1/2″
900/1500
64
121
1/2″
2500
64
134
3/4″
150
57
99
3/4″
300
60
118
3/4″
600
64
118
3/4″
900/1500
64
130
3/4″
2500
64
140
1″
150
57
108
1″
300
60
124
1″
600
64
124
1″
900/1500
67
150
1″
2500
67
159