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Brass Values

pressurereleifvalve

Pressure Relief Valve


Application

Pressure relief valves are Compatible with all CFC, HCFC and HFC Refrigerants and oils and other Industrial gases and fluids non-corrosive to steel and brass. (With suitable Gland/Seal).

Construction

  • Valve Body: Extruded Brass.
  • Valve Cap : Forged Brass
  • Spring: Stainless Steel
  • Seat Material: Neoprene/Teflon.
  • Machined parts: Extruded Brass.

Design

  • Pre compressed special grade SS Spring provides unchanged tension for life of Valve.
  • Pre stressed virgin seat material improves accuracy of pressure ratings.
  • Designed for quick Discharge and immediate shut down.
  • Available in pressure Range from 150psig – 450 psig.
  • Pre set on imported accurate pressure gauge.
  • Working Temperature range is -30°C to 100°C.

Installation.

  • Inspect valve and Install only if factory seal appears untampered.
  • For leak tight sealing use Torque wrenches set at 30 Lb.Ft and ensure that Female thread is exact match.
  • Shelf life of Valve is 18 months from date of manufacture. Beyond this period if unused return valve to Factory for recalibration.
  • We recommend replacement of the valve after it pops open. It may not open again at preset pressure on account of Debris impregnation in seat and ageing of seat material.
  • Under no circumstances open the seal and try to reset the valve as it needs special tools and trained technicians.

Part No. NPT
A (in)		 Flare
B(in)		 C
Hex
a/f
(mm)		 D
Hex
a/f
(mm)		 H
(mm)		 App
Wt
(gm)
PRV-06 1/4 22 54.7 90
PRV-10 3/8 3/8 25.4 22 80 158
PRV-12 1/2 1/2 35 32 100 393

Angle Isolating Valve with Back seating


Application

Rotolock valves are Compatible with all CFC, HCFC and HFC Refrigerants, mineral oils, Alkyl Benzene, POE lubricants and Industrial fluids non-corrosive to steel and brass. (With suitable Gland/Seal).

Materials of construction

  • Valve Body: Hot Forged Brass (BS-218).
  • Spindle: Stainless Steel 304.
  • Gland Nut: Free cutting Brass
  • Gland Packing: Graphite and Neoprene
  • Seal Cap: Plated steel / ABS
  • Seat : Stainless Steel 304

Design

  • Forged Brass body and SS 304 internal components minimize chances of porosity and corrosion in all conditions and allow easy brazing with copper tubes.
  • Spindle with full back seating and special graphite seals allow gland packing to be changed in open position and brazing without disassembling the valve.
    • Brass body and SS 304 floating internal seat allow metal to metal seating on dissimilar metals resulting in positive isolation and virtually lifelong durability.

Operation & Testing.

  • Maximum working pressure 450 psig.
  • Working Temperature Range: (-30°C + 100°C).
  • Individual pneumatic Testing in Open/Close position at 450 psig.
  • Valves suitable for operation at 650 psig can also be provided on request.

EXPLODED VIEW ANGLE VALVE 7/8” TO 2-5/8”


PART NO A B C H1 H2 H3 L1 L2
AV-22 7/8 ODS 7/8 ODS 7/16UNF 154 61.8 42 67.5 34
AV-28 1-1/8 ODS 1-1/8 ODS 7/16UNF 154 61.8 42 72 135
AV-35 1-3/8 ODS 1-3/8 ODS 7/16UNF 184.5 76 46 79.1 38.1
AV-42 1-5/8 ODS 1-5/8 ODS 7/16UNF 184.5 76 46 79.1 38.1
AV-55 2.1/8 ODS 2.1/8 ODS 7/16UNF 213.5 93 60 101 44
AV-67 2.5/8 ODS 2.5/8 ODS 7/16UNF 238.5 100.7 62 115 55.5

EXPLODED VIEW ANGLE VALVE 7/8” TO 2-5/8”


Material Specifications
No. Part Material Qty.
1 Cap Plated MS 1
2 Washer Neoprene 1
3 Gland Nut Brass 1
4 Gland Packing Neoprene 1
5 Washer Brass 2
6 Gland Packing Grafseal 2/3/5
7 Body Brass Forging
BS 218		 1
8 Seat SS 304 1
9 Spindle SS 304 1

Receiver Valve Non-Back seating (Angle Valve)


Application

Angle valves are Compatible with all CFC, HCFC and HFC Refrigerants and oils and other Industrial fluids non-corrosive to steel and brass. (With suitable Gland/Seal).

Construction

  • Valve Body: Hot Forged Brass (BS-218).
  • Spindle: Stainless Steel.
  • Gland Nut: Extruded Brass.
  • Gland Packing: Neoprene/Asbestos Free Gasket.
  • Seal Cap: ABS Plastic / Brass.

Design

  • Full port openings for maximum flow.
  • Low torque requirement for valve shut off prolongs valve life.
  • Factory fitted Aluminum hand wheel can be provided

Operation &Testing.

  • Maximum working pressure 400 psig.
  • Working Temperature Range: (-30°C + 100°C).
  • Individual pneumatic Testing in Open/Close position at 400 psig.

Part No. NPT
A (in)		 Flare
B(in)		 L1
(mm)		 H1
(mm) 		H2
(mm)		 WT
(gm)
AV-06 1/4 1/4 27 66 27.5 85
AV-10 3/8 3/8 31 73.5 40.5 125
AV-10B 3/8 1/4 31 73.5 40.5 122
Part No. NPT
A (in)		 Flare
B(in)		 L1
(mm)		 H1
(mm) 		H2
(mm)		 WT
(gm)
AV-06F 1/4 1/4 27 66 27.5 83
AV-10F 3/8 3/8 31 73.5 40.5 122
Material Specifications
No. Part Material
1 Cap ABS Plastic / Brass
2 Gland Nut Brass
3 Gland Packing Neoprene
4 Gland Packing Asbestos Free Gasket
5 Washer Brass
6 Spindle Stainless Steel
7 Body Forged Brass (BS-218)

Globe Valves


Application

Globe Valves are compatible with all CFC, HCFC and HFC Refrigerants and oils and other Industrial gases / fluids non-corrosive to Steel and Brass. (With suitable Seal Material).

Construction

  • Valve Body: Hot Forged Brass (BS-218).
  • Valve Bonnet: Hot Forged Brass (BS-218).
  • Spindle: SS 304.
  • Gland Nut: Extruded brass.
  • Stem packing: Neoprene rubber and Asbestos Free gasket.
  • Seat: P.T.F.E.
  • Bonnet cap: Electroplated MS.

Design

  • The Valve is designed with large orifice and integrally forged flow path offering very low frictional resistance, ensuring maximum flow rate and minimal pressure drop.
  • Internal back seating enables replacement of the spindle seal whilst the valve is active, i.e. under pressure

Operation & Testing.

  • Maximum working pressure with flow in direction of Arrow mark 400 psig.
  • Working Temperature Range : (-30°C + 100°C).
  • Individual pneumatic Testing in Open/Close position at 400 psig.

Installation for Solder connection

  • While brazing solder connection, disassemble the Valve and use suitable filler material for brazing.
  • While re-assembling the Valve allow the Valve body to cool to room temperature and clean the part thoroughly. For leak tight sealing use Torque wrench set at correct load to avoid damage to the Seal and Valve.

Part No. Size
(in)		 H
(mm)		 H1
(mm)		 L
(mm)		 A
(mm)		 B
(mm)		 WT
(kgs)
GV-12 1/2 124.5 24.2 81 13 100 *
GV-15 5/8 124.5 24.2 81 13 100 0.870
GV-19 3/4 124.5 24.2 81 13 100 *
GV-22 7/8 124.5 24.2 81 13 100 0.830
GV-28 1.1/8 146.5 29.5 82 14 110 1.142
GV-35 1.3/8 158 33.2 96 14 110 1.460
GV-42 1.5/8 181 37.5 101 14 120 2.150
Material Specifications
No. Part Material
1 Cap Steel Plated
2 Gland Nut Extruded Brass
3 Gland Packing Asbestos Free
4 Gland Packing Neoprene
5 Gland washer Brass
6 Cap Packing Neoprene
7 Bolt Steel Plated
8 Bonnet Forged Brass (BS-218)
9 Spindle SS 304
10 Seat Teflon (PTFE)
11 Seat Retainer Extruded brass
12 Spindle Nut Steel
13 Body Packing ‘O’ Ring Neoprene
14 Body Forged Brass BS-218

Brass Rotolock Valve with Back seating


Application

Rotolock valves are Compatible with all CFC, HCFC and HFC Refrigerants, mineral oils, Alkyl Benzene, POE lubricants and Industrial fluids non-corrosive to steel and brass. (With suitable Gland/Seal).

Materials of construction

  • Valve Body: Hot Forged Brass (BS-218).
  • Rotolock sleeve: Hot Forged Brass (BS-218).
  • Rotolock Nut: Hot Forged Brass (BS-218).
  • Spindle: Stainless Steel 304.
  • Gland Nut: Free cutting Brass
  • Gland Packing: Graphite and Neoprene
  • Seal Cap: Plated steel / ABS
  • Seat : Stainless Steel 304
  • Rotolock Gasket: Teflon
  • Springs: SS 304
  • Solder: Silver solder 42%

Design

  • Forged Brass body and parts with SS 304 internal components minimize chances of corrosion in all conditions and allow easy brazing with copper tubes.
  • All ports are integrally forged and the only brazed joint is the rotolock sleeve. This minimizes chances of leakage.
  • Brass body and SS 304 floating internal seat allow metal to metal seating on dissimilar metals resulting in positive isolation and virtually lifelong durability.
  • Stem with full back seating and graphite and neoprene seals allow gland packing to be changed in open position and brazing without disassembling the valve.
  • No coatings are used on the Valve and internal parts.
  • Graphite, Neoprene and Teflon seals are available as standard accessories.

Operation & Testing.

  • Maximum working pressure 450 psig.
  • Working Temperature Range: (-30°C + 100°C).
  • Individual pneumatic Testing in Open/Close position at 450 psig.
  • Valves suitable for operation at 650 psig can also be provided on request.

Brass Rotolock Valve with Back seating


ROTO LOCK 180° 3/8” TO 1-3/8”


Part No. A B C D H1 H2 H3 L1 L2 L3
RLV- 100-14-10-S -180 3/8” ODS 1”- UNS 14TPI 7/16UNF 7/16UNF 98 38 25 53.5 25.5 32
RLV - 100-14-13-S -180 1/2” ODS 1”- UNS 14TPI 7/16UNF 7/16UNF 102 42 29 53.5 25.5 32
RLV - 100-14-16-S-180 5/8” ODS 1”- UNS 14TPI 7/16UNF 7/16UNF 102 42 29 53.5 25.5 32
RLV - 114-12-19-S -180 3/4” ODS 1-1/4 UNS 12TPI 7/16UNF 7/16UNF 137 57 40 63 30 40
RLV - 114-12-22-S-180 7/8” ODS 1-1/4 UNS 12TPI 7/16UNF 7/16UNF 137 57 40 63 30 40
RLV - 114-12-29-S-180 1 1/8” ODS 1-1/4 UNS 12TPI 7/16UNF 7/16UNF 144.5 64 47 63 30 40
RLV - 134-12-35-S-180 1 3/8” ODS 1-3/4 UN 12TPI 7/16UNF 7/16UNF 180.5 79 56 70 34 43

Brass Rotolock Valve with Back seating


EXPLODED VIEW ROTOLOCK 180° 3/8” to 1-3/8””


Material Specifications
No. Part Material Qty
1 Cap Plated Mild Steel 1
2 Washer Neoprene 1
3 Gland Nut Brass 1
4 Gland Packing Neoprene 1
5 Gland Packing Grafseal 2
6 Washer Brass 1
7 Body Brass BS 218 1
8 Hex nut Brass BS 218 1
9 Sleeve Brass BS218 1
10 Spindle S S 304 1
11 Seat S S 304 1

Brass Rotolock Valve with Back seating


ROTO LOCK 90° 3/8” TO 1-3/8”


Part No. A B C D H1 H2 H3 L1 L2 L3
RLV - 100-14-10-S -90 3/8” ODS 1”- UNS 14TPI 7/16UNF 7/16UNF 98 38 25 53.5 25.5 32
RLV - 100-14-13-S -90 1/2” ODS 1”- UNS 14TPI 7/16UNF 7/16UNF 102 42 29 53.5 25.5 32
RLV - 100-14-16-S -90 5/8” ODS 1”- UNS 14TPI 7/16UNF 7/16UNF 102 42 29 53.5 25.5 32
RLV - 114-12-19-S -90 3/4” ODS 1-1/4 UNF 12TPI 7/16UNF 7/16UNF 137 57 40 63 30 40
RLV - 114-12-22-S -90 7/8” ODS 1-1/4 UNF 12TPI 7/16UNF 7/16UNF 137 57 40 63 30 40
RLV - 114-12-29-S -90 1 1/8” ODS 1-1/4 UNF 14TPI 7/16UNF 7/16UNF 144.5 64 47 63 30 40
RLV - 134-12-35-S- 90 1 3/8” ODS 1-3/4 UN 14TPI 7/16UNF 7/16UNF 180.5 79 56 70 34 43

Brass Rotolock Valve with Back seating


EXPLODED VIEW ROTOLOCK 90° 3/8” to 1-3/8”


Material Specifications
No. Part Material Qty
1 Cap Ms 1
2 Washer Neoprene 1
3 Gland Nut Brass 1
4 Gland Packing Neoprene 1
5 Gland Packing Graphite 2
6 Washer Brass 1
7 Body Brass 1
8 Hex nut Brass 1
9 Sleeve Brass 1
10 Spindle Stainless Steel 1
11 Seat Stainless Steel 1

Packless Diaphragm Valve (Hand Shut Off Valves)


Application

Hand Shut Off valves are compatible with all CFC, HCFC and HFC Refrigerants and oils and other Industrial gases / fluids non-corrosive to Steel and Brass.

Construction

  • Valve Body: Hot Forged Brass (BS-218).
  • Spindle: Extruded Brass.
  • Diaphragm: Stainless Steel.
  • Knob: Thermally stable engineered plastic.
  • Spring: Specially treated Steel.
  • Seat: Stainless Steel / Nylon.

Design

  • Superior Valve Body design allows gripping while tightening / loosening the Flare Connections.
  • Superior Bonnet Design allows easy access when disassembling / assembling for solder connections.
  • Full port openings for maximum flow, minimal pressure drop and long life.
  • Back seating minimizes moistures intrusion.
  • Stainless steel Diaphragm for positive isolation ensures hermetic sealing of the flow area.
  • Thermally stable plastic Knob for easy operation in wide temperature range.

Operation & Testing.

  • Maximum working pressure with flow in direction of arrow mark 400 psig.
  • Working Temperature Range: (-30°C + 100°C).
  • Individual Pneumatic Testing in Open/Close position at 400 psig.

Installation.

  • While brazing solder connection, disassemble the Valve and use suitable filler material for brazing.
  • While re-assembling the Valve allow the Valve body to cool to room temperature and clean the part thoroughly. For leak tight sealing use Torque wrench set at 30 Lb.Ft to avoid damage to the Diaphragm and Valve.
  • If Valve locks in open Position grip Hand wheel with soft cloth and turn with reasonable force in Clockwise direction (towards arrow directing CLOSE position)

Flare to Flare


Part No. Size (in) Open H1(mm) H2 (mm) L (mm) A (mm) B (mm) Ø (mm) WT (gm)
HSV-06 1/4 69 16.50 57 28 60 4.5 160
HSV-10 3/8 79 19.50 64 35 60 5.0 210
HSV-12 1/2 75 18 80 49 60 5.0 290
HSV-15 5/8 75 18 80 49 60 5.0 300

Solder to Solder


Part No. Size (in) Open H1(mm) H2 (mm) L (mm) D (mm) WT (gm)
HSV-06S 1/4 69 16.50 57 12 *
HSV-10S 3/8 79 19.50 64 12 *
HSV-12S 1/2 75 18 76 15 *
HSV-15S 5/8 75 18 80 15 *

Packless Diaphragm Valve Hand shut off valve (1/4’’-3/8’’)


Material Specifications
No. Part Material
1 Screw Steel Plated
2 Washer Steel Plated
3 Knob ABS Plastic
4 Washer Steel Plated
5 Bonnet Forged Brass
6 Spindle Extruded Brass
7 Diaphragm Stainless Steeltd>
8 Seat Stainless Steel
9 Spring Special Treated Steel
10 Body Forged Brass (BS-218)

Packless Diaphragm Valve Hand shut off valve (1/2’’-5/8’’)


Material Specifications
No. Part Material
1 Screw Steel Plated
2 Washer Steel Plated
3 Knob ABS Plastic
4 Washer Steel Plated
5 Bonnet Forged Brass
6 Spindle Extruded Brass
7 Diaphragm Stainless Steeltd>
8 Seat Brass/Nylon
9 Spring Special Treated Steel
10 Body Forged Brass (BS-218)
11 Mounting Plate Steel Plated
12 Screw Steel Plated
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