SAFETY relief VALVE SERIES # 006 DESIGN FEATURES HARSHAD ENGINEERING WORKS HARSHAD ENGINEERING WORKS TECHNICAL DATA : ISO 9001 CERTIFIED COMPANY

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1 PROVIDES HIGH QUALITY OVERPRESSURE PROTECTION FOR AIR, GAS, LIQUID & STEAM IN SINGLE STANDARDIZED DESIGN SAFETY relief VALVE DESIGN FEATURES SAFETY VALVE MANUFACTURED IN ACCORDANCE WITH REQUIREMENT OF ASME SECTION VIII DIVISION 1, API 526, API 527, EN ISO 4126 PART 1, IS 12992,API 520 DIRECT SPRING OPERATED, FULL LIFT, FULL NOZZLE, SINGLE TRIM & HIGH CAPACITY DESIGN ADJUSTABLE NOZZLE RING FOR PERFECT POPPINGAND BLOW DOWNADJUSTMENT SUPERIOR SEAT TIGHTNESS PRECISION LAPPED FLAT METALTO METAL SEAT BEST USE IN PRESSURE LINES, RECIPROCATING COMPRESSORS SYSTEM, PRESSURE VESSEL, AIR RECEIVER TANK, STEAM BOILERS, GENERATORS,ETC. OFFERS IN MATERIAL LIKE HASTE ALLOY, MONEL, SUPER DUPLEX, NACE CERTIFIED. TECHNICAL DATA : SIZES : 1" X 2" TO 6" X 8" (ORIFICE D TO q ) END CONNECTION : flange END (ansi b 16.5 r.f.) SET PRESSURE RANGE : 1BARG TO 102BARG pressure rating class : 150# TO 1500# TEMPERATURE RANGE : -196*C TO 530*C APPLICATION : AIR, GAS, STEAM, LIQUID WORK & OFFICE ADDRESS : S-121 TO S-124, VIVEKANAND I N D U S T R I A L E S TA E, N E A R R A K H I A L CROSS ROAD, RAKHIAL, AHMEDABAD G U J A R A T, I N D I A. PH # : , hew@hewvalve.com WEB 1 : WEB 2 :

2 g.a.drawing

3 MATERIAL OF CONSTRUCTION PART LIST MODEL # STANDARD SERVICE MODEL # high temp. SERVICES MODEL # CORROSIVE SERVICE SR.NO. DESCRIPTION TEMPERATURE -29*C TO 427*C TEMPERATURE -29*C TO 538*C TEMPERATURE -196*C TO 530*C 01 BODY CAST STEEL (SA 216 GR.WCB) cast steel (sa 217 gr.wc6) S.S. (SA 351 GR.CF8M) 02 bonnet cast steel (sa 216 gr.wcb) cast steel (sa 217 gr.wc6) S.S. (SA 351 GR.CF8M) 03 cap CAST STEEL (SA 216 GR.WCB) CAST STEEL (SA 216 GR.WCB) S.S. (SA 351 GR.CF8M) 04 spring washer s.s.410 s.s.410 S.S Body - Bonnet guide s.s. (sa 351 gr.cf8) s.s. (sa 351 gr.cf8) S.S. (SA 351 GR.CF8) 06 nozzle s.s.316 / cf8m s.s.316 / cf8m S.S.316 / CF8M 07 nozzle ring s.s. (sa 351 gr.cf8m) s.s. (sa 351 gr.cf8m) S.S. (SA 351 GR.CF8m) 08 piston Guide s.s.304 s.s.304 S.S disc s.s.316 s.s.316 S.S anti friction ball S.S.304 S.S.304 S.S disc holder s.s.304 s.s.304 S.S disc holder lock screw s.s.304 s.s.304 S.S body - bonnet bolting stud sa 193 gr.b7 sa 193 gr.b7 SA 193 GR.B8 14 body - bonnet bolting nut sa 194 gr.2h sa 194 gr.2h SA 194 GR.8H 15 spring (zinc coated) ACCORDING TO MEDIUM & TEMPERATURE 16 pressure adjusting bolt s.s.304 s.s.304 S.S adjusting bolt lock nut s.s.304 s.s.304 S.S spindle s.s.304 s.s.304 S.S nozzle ring lock screw s.s.304 s.s.304 S.S nozzle ring lock screw nut s.s.304 s.s.304 S.S Body - bonnet gasket graphite / TEFLON / non asbestos graphite / TEFLON / non asbestos graphite / TEFLON / non asbestos 22 test gag & cap plug CAST STEEL CAST STEEL S.S handle / lever CAST STEEL cast STEEL S.S handle lever assembly CAST STEEL (SA 216 GR.WCB) CAST STEEL (SA 216 GR.WCB) S.S. (SA 351 GR.CF8) 25 handle washer & nut CAST STEEL / S.S.410 CAST STEEL / S.S.410 S.S name plate (not shown) s.s.304 s.s.304 S.S drain plug s.s.304 s.s.304 S.S gasket TEFLON TEFLON TEFLON 29 fork cast IRON cast IRON s.s fork pin S.S.304 S.S.304 S.S CAP LOCK BOLT CAST STEEL CAST STEEL S.S.304 RECOMMENDED SPRING MATERIAL MATERIAL TEMPERATURE RANGE 1.) spring steel (IS 4454 ht GR.iII) -29*C TO 200*C 2.) ALLOY STEEL -29*C TO 350*C 3.) INCONEL (X750) -196*C TO 538*C 4.) S.S *C TO 300*C

4 TECHNICAL DETAIL size inlet outlet DESIGNATION & EFFECTIVE AREA (IN2) ORIFICE (API526 / api 520 EN ISO 4126) ACTUAL AREA IN2 (in mm) flange connection (ansi b16.5 r.f.) inlet outlet MAX SET PRESSURE (IN BARG) dimensions (mm) a ± 3 b ±3 c ±10 approx WEIGHT (kg) " 2" E (0.196) 0.23 (14mm) e (0.196) 0.23 (14mm) /2" 2" g (0.307) 0.64 (23mm) /2" 3" H (0.785) 0.82 (26MM) h (0.785) 0.82 (26mm) " 3" J (1.287) 1.41 (34mm)

5 TECHNICAL DETAIL size inlet outlet DESIGNATION & EFFECTIVE AREA (IN2) ORIFICE (API526 / api 520 EN ISO 4126) ACTUAL AREA IN2 (in mm) flange connection (ansi b16.5 r.f.) inlet outlet MAX SET PRESSURE (IN BARG) dimensions (mm) a ± 3 b ±3 c ±10 approx WEIGHT (kg) " 4" l (2.853) 3.04 (50mm) n (4.34) 4.83 (63MM) " 6" P (6.38) 7.02 (76mm) " 8" Q (11.05) (98MM) NOTE : - 1.) SAFETY VALVE IS AVAILABLE IN FLANGE END CONNECTION ONLY. (FLANGES CONFIRM TO ANSI B 16.5 R.F. OR DIN STD.) 2.) HYDRO TEST IS CONDUCTED FOR NOZZLES AT 1.5 TIMES OF DESIGN PRESSURE OF SAFETY VALVE AS PER API 526, API 598, EN ISO 4126 PART 1 & IS ) PNEUMATIC NOZZLE TEST CONDUCT ON 7BARG (100PSIG) AS PER ASME PRESSURE VESSEL SECTION VIII DIVISION.1. 4.) SEAT LEAKAGE TEST IS CONDUCTED AS PER API 527 OR AS SPECIFIED. 5.) EFFECTIVE CO-EFFICIENT OF DISCHARGE AS PER API 520, FOR GAS & VAPOUR : Kd = & LIQUID : Kd = 0.62, ASME CO-EFFICEINT K = ) SAFETY VALVES FOR SPECIAL SERVICES LIKE NACE, HYDROGEN OR SPECIAL APPLICATION ARE OFFERED 7.) SOFT SEATED (RUBBER OR TEFLON) ARE AVAILABLE DEPENDS ON APPLICATION AND TEMPERATURE. 7.) WE OFFER THIRD PARTY INSPECTION IF REQUIRED.(TUV, LLYODS, BVQI, SGS, IBR, ETC.) 8.) SAFETY VALVE IS SUPPLIED WITH ONE SET OF TEST CERTIFICATE OF HYDRO TEST, SET PRESSURE TEST, SEAT LEAKAGE TEST & MATERIAL. 9.) SAFETY VALVE COMES WITH WARRANTY OF 12MONTHS FROM THE DATE OF SUPPLY.

6 ACCESSORIES TYPE A ( THREADED CAP & NO LEVER ) TYPE B (BOLTED CAP & PACKED LEVER) TYPE C (BOLTED CAP & PLAIN LEVER) TYPE D (BOLTED CAP & NO LEVER) TEST GAG

7 SAFETY relief VALVE ORDERING INFORMATION - MODEL NUMBER Position No Example Model # A 1 2" H 3" A 1 * * * * * * * * * * * Description Series # Body Material Trim Material Application Spring Material Inlet Size Orifice Outlet Size Cap & Lever Style Accessories Options * * * * * * * * * * I = C.S. (SA 216 WCB) 6 = SS 316 / CF8M A = Air 1 = C.S. (ZN Plated) 1" E 2" Type A 1 = No Accessories II * 2 = C.S. (SA 217 WC6) 8 = SS 304 / CF8 S = Steam 2 = Alloy Steel 1-1/2" E G 2" Type B 2 = Test Gag III * 3 = S.S (SA 351 CF8M) * L = Liquid 3 = Inconel Spring X /2" H 3" Type C 3 = Stellite Disc & Nozzle IV * 4 = S.S. (SA 351 CF8) * * 4 = SS302 2" H J 3" Type D 4 = Drain Plug V * 5 = S.S. (SA 352 LCB) * * 5 = SS316 3" L 4" * 5 = Bellows VI * * * * * 4" N P 6" * * VII * * * * * 6" Q 8" * * MODEL NO. GENERATED FROM THE ABOVE TABLE MODEL # a1-2"h3"-a1 - WHILE ENQUIRY PLEASE MENTION FOLLOWING DETAIL: SET PRESSURE (BARG, KG/CM2G, PSIG) TEMPERATURE (CELSIUS OR FAHRENHEIT) APPLICATION (AIR OR STEAM) REQUIRED FLOW CAPACITY (KG/HR, LBS/HR, CFM, M3/MIN)