ASA STANDARD DESIGN & ND STANDARD ( S TYPE DESIGN )
SHREYAS make Globe Valves are OS & Y Type, Rising Spindle & Bolted Bonnet Design, specially designed globe valve ensure 100% smooth flow area & reduce pressure drop across the valve. Specially designed gland packing and deep stuffing box provides sure tightness and maximum long packing life of years together. Properly machined and lapped back seat facilities are provided for replacement of Gland packing when valve is on line & under pressure.
SHREYAS globe valves are available in On-Off Disc, Tapered V Style Control Disc and Parabolic Disc type. Stellited trims are generally provided for all above 300# valves and in lower rating also on request.
Extra Long, Extended Bonnet Design Globe Valve as a special requirement for low temperature and cryogenic services.
Globe Valves Pneumatic Spring & Diaphragm Type Actuator / Pneumatic Cylinder operated along with accessories like Solenoid, Valve Positioners, I/P Converter, Limit Switches, and Air Filter Regulator etc.
ASA-300# DESIGN
Standards
Design Standard
BS 1873/DIN
Inspection & Testing Standard
BS 6755
Face To Face
As Per ANSI B 16.10
End Connection
Flanged End To ANSI B 16.5/BS 10 Table Buttweld End To ANSI B 16.25
SizeRange
1" To 16"
Pressure Rating
150# To 1500#
ND DESIGN
ASA-150# DESIGN
Material Specifications
Body / Bonnet
ASTM A 216 GR. WCB
ASTM A 217 GR. WC1/WC6/WC9/WC11
ASTM A 351 GR. CF 8 /CF 8M/CF 3/CF 3M/CN 7M
IS 210 GR. FG 200/220/250/260
CAF/Grafoil/S.S. Spiral Wound With CAF/Grafoil/P.T.F.E.
Cross Pin & Nut
ASTM A 193 GR. B7/ A 194 GR. 2H/S.S. 304/316
Eye Bolt & Nut
ASTM A 193 GR. B7/ A 194 GR. 2H/S.S. 304/316
Stud & Nut
ASTM A 193 GR. B7/ A 194 GR. 2H/S.S. 304/316
Hand Wheel
IS 210 GR. FG 200/Ductile Iron/Cast Steel
Grease Nipple
Brass/S.S. 304/316
Globe Valves, Rising Spindle & Bolted Bonnet ASTM Standard Globe Valves, WCB-216/CS Globe Valves, Alloy Steel Globe Valves, SS 304CF8, 316/CF8M, Etc.
CAST STEEL GLOBE VALVES:
CLASS – 150
CAST CARBON STEEL GLOBE VALVE :
ND – 40
01.
Wheel Nut – Steel ASTM A – 307 B
02.
Wheel Cast Iron Tiron
03.
Yoke Bush – M.S
04.
Bonnet – A 216 Gr. WCB
05.
Spindle – 13% Chromimum 410 s.s.
06.
Gland Follower Nut – Steel ASTM A – 3078
07.
Gland Follower: A 216 Gr. WCB corbon steel
08.
Gland Follower Stud: Steel ASTM A – 307 Grade B
09.
Gland Packing: Grapite impregnation Asbesto
10.
Specia H. T. Ring – Grafoil Ring
11.
Body : A 216 Gr. WCB.
12.
Swivel Nut: Steel ASTM A – 307 B
13.
Valve Disc: 13% Chromium 410 s.s.
14.
DISC Seat Ring: 13% chromium 410s.s.
GRAFOIL GLAND PACKAGE:
Each Valve is provided with one grafoil ring to restrict gland leakage, Supported with numerous graphite impregnated packings. Specially for high temperature application.Grafoil Ring.
HYDRAULIC TEST PRESSURE
Class
Body
Seat
150
452 PSIG
300 PSIG
300
1100 PSIG
750 PSIG
AIR TEST
Class
Body
Seat
150
100 PSIG
100 PSIG
300
100 PSIG
100 PSIG
Globe Valves:
Body & Bonnet
Castings are Precise machined, fully enclosed withsoft iron wired gasket.
Stuffing Box
Deep Cavity with back seat on Spindle & bonnet itself,
Valve can be repacked under pressure.
Yoke Bush
Bushing can be renewable on line.
Gland Follower
One piece, perfect construction for easy alignment.
Stem
Centreless ground stem with precision cut full acme thread .
Seat
Hared faced with 410 s.s.(13% Chrome)
Disc
Floating stem – disc engagements Disc engagements Disc hardened with 410 (13% Chrome) ground & Lapped with seat.
Universal Trim
For all applications upto 450 s.s. 410
(13% Chrome)
Flanges
1.5mm serrated raised face.
GLOBE VALVE
SR NO
ITEM
QTY
MATERIAL
1
BODY
1
C.I TO IS 210 GR FG 220
CS TO ASTM A 216 GR WCB
ASTM A 351 GR CF8
ASTM A 351 GR CF8M
2
SEAT
1
AISI 410/AISI 304 /AISI 316
3
VALVE
1
AISI 410/AISI 304/AISI 316
4
BACK SEAT
1
AISI 410/AISI 304/AISI 316
5
GLAND PACKING
REQ
GRAPHOIL
6
SPINDLE
1
AISI 410/AISI 304/AISI 316
7
GLAND
1
CS TO ASTM A 216 GR WCB
ASTM A 351 GR CF8
ASTM A 351 GR CF8M
8
BONNET
1
C.I TO IS 210 GR FG 220
CS TO ASTM A 216 GR WCB
ASTM A 351 GR CF8
ASTM A 351 GR CF8M
