Pressure Relief Valves | Pneumatics Direct | Pneumatics Direct

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Refine Products

Clear Refine

Bend Radiusmm

0 to 4 (2)
Body Material

Brass (1) Brass/Bronze (6) Bronze (57) Stainless Steel (50)
Box Quantity

1" (20) 1.1/2" (10) 1.1/4" (10) 1/2" (20) 2" (10) 3/4" (20)
Brand

FT PRO (13) Gresswell Valves (90) Jaymac (50) Lorch (59) Nabic (386) Non-branded (24) Seetru (141) Wade (16)
Category

Process Valves and Instrumentation (779)
Closed Height Metres

0.5 (1) 1 (40) 1.5 (21) 2 (42) 2.5 (18) 3 (50) 3.5 (26) 4 (49) 4.5 (10) 5 (37) 5.5 (17) 6 (46) 6.5 (12) 7 (37) 7.5 (22) 8 (30) 8.5 (19) 9 (25) 9.5 (8) 10 (33) 10.5 (16) 11 (22) 11.5 (9) 12 (12) 12.5 (11) 15 (3) 16 (1)
Coating

12 (1) 30 (1) 43 (1) 50 (1) 56 (1) 63 (1) 82 (1) 97 (1) 110 (1) 134 (1)
Dn Size

6 (12) 15 (6) 20 (6) 25 (6) 32 (6) 40 (6) 50 (6)
Flange Size Inch

1" (5) 1.1/2" (10) 1.1/4" (10) 10" (1) 12" (1) 2" (11) 2.1/2" (6) 3" (6) 3/4" (5) 4" (1) 5" (1) 6" (1) 8" (1)
Flow C F M

12 (1) 30 (1) 43 (1) 50 (1) 56 (1) 63 (1) 82 (1) 97 (1) 110 (1) 134 (1)
Flow C M P M

Dome (90) Easing Lever (17)
Flow L P H

12 (2) 16 (1) 19 (1) 22 (1) 24 (1) 25 (1) 26 (1) 30 (1) 34 (1) 36 (1) 37 (1) 38 (1) 40 (1) 44 (2) 46 (1) 47 (3) 51 (1) 52 (1) 54 (2) 57 (1) 61 (2) 63 (1) 64 (1) 68 (3) 74 (4) 78 (1) 79 (1) 81 (4) 84 (2) 85 (1) 88 (3) 90 (1) 95 (2) 100 (1) 106 (3) 109 (2) 116 (1) 122 (1) 127 (3) 132 (1) 138 (1) 143 (1) 170 (2) 180 (1) 263 (1) 315 (2) 2378 (1) 2380 (1) 2913 (2) 3364 (2) 3761 (2) 4120 (2) 4450 (2) 4757 (2) 4780 (1) 5046 (2) 5319 (2) 5579 (2) 5827 (2) 5854 (1) 6065 (2) 6294 (2) 6514 (2) 6728 (2) 6759 (1) 6935 (2) 7136 (1) 7332 (2) 7527 (1) 7557 (1) 7708 (2) 7889 (2) 8067 (2) 8240 (2) 8279 (1) 8410 (2) 8942 (1) 9559 (1) 10139 (1) 10687 (1) 11204 (1) 11707 (1) 12185 (1) 12645 (1) 13089 (1) 13518 (1) 13934 (1) 14338 (1) 14731 (1) 15114 (1) 15487 (1) 15852 (1) 16208 (1) 16557 (1) 16898 (1)
Flow L P S

12 (2) 16 (1) 19 (1) 22 (1) 24 (1) 25 (1) 26 (1) 30 (1) 34 (1) 36 (1) 37 (1) 38 (1) 40 (1) 44 (2) 46 (1) 47 (3) 51 (1) 52 (1) 54 (2) 57 (1) 61 (2) 63 (1) 64 (1) 68 (3) 74 (4) 78 (1) 79 (1) 81 (4) 84 (2) 85 (1) 88 (3) 90 (1) 95 (2) 100 (1) 106 (3) 109 (2) 116 (1) 122 (1) 127 (3) 132 (1) 138 (1) 143 (1) 170 (2) 180 (1) 263 (1) 315 (2) 2378 (1) 2380 (1) 2913 (2) 3364 (2) 3761 (2) 4120 (2) 4450 (2) 4757 (2) 4780 (1) 5046 (2) 5319 (2) 5579 (2) 5827 (2) 5854 (1) 6065 (2) 6294 (2) 6514 (2) 6728 (2) 6759 (1) 6935 (2) 7136 (1) 7332 (2) 7527 (1) 7557 (1) 7708 (2) 7889 (2) 8067 (2) 8240 (2) 8279 (1) 8410 (2) 8942 (1) 9559 (1) 10139 (1) 10687 (1) 11204 (1) 11707 (1) 12185 (1) 12645 (1) 13089 (1) 13518 (1) 13934 (1) 14338 (1) 14731 (1) 15114 (1) 15487 (1) 15852 (1) 16208 (1) 16557 (1) 16898 (1)
Flow Nlper Minute

5.5 (7) 9 (3) 11 (6)
Inlet Gender

Female (290)
Inlet Size Inch

1" (59) 1.1/2" (32) 1.1/4" (34) 1/2" (61) 44 (1) 47 (1) 57 (1) 69 (1) 75 (1) 84 (1) 123 (1) 138 (1) 153 (1) 2" (23) 2.1/2" (7) 3" (2) 3/4" (72)
Inlet Sizemm

Female (93)
Inlet Type

BSPP (290)
Inside Diameter A Inch

1" (1) 1.1/2" (2) 1.1/4" (1) 2" (2) 2.1/2" (1) 3" (3) 4" (3) 6" (2) 8" (1)
Inside Diameter B Inch

BSPP (70) BSPT (23)
Inside Diameter D2mm

15 (6) 20 (6) 25 (6) 32 (6) 40 (6) 50 (6)
Inside Diametermm

0.5 (1) 1 (1) 1.5 (2) 2 (1) 2.5 (2) 3 (1) 3.5 (2) 4 (2) 4.5 (1) 5 (4) 5.5 (2) 6 (4) 6.5 (2) 7 (4) 7.5 (2) 8 (4) 8.5 (2) 9 (2) 10 (5) 10.5 (2) 11 (4) 11.5 (2) 12 (3) 12.5 (34) 15 (4) 16 (10) 20 (7) 20.7 (90) 25 (1) 30 (2) 40 (1) 50 (1) 60 (1) 75 (1)
Length Metres

BSPP (70) BSPT (23)
Lengthmm

1" (1) 1/2" (27) 123 (1) 138 (1) 153 (1) 3/4" (25) 3/8" (40) 44 (1) 47 (1) 57 (1) 69 (1) 75 (1) 84 (1)
Lift Capacity Ton

PTFE (107) Thermoplastic Elastopollymer (2) Viton (141)
Maximum Gauge Pressurebar

5.5 (7) 9 (3) 11 (6)
Maximum Working Temperature

+180°C (141) +195°C (333) +75°C (36) +80°C (3)
Maximumworking Pressurebar

-10° C to +180° C (6) 0.5 (1) 0°C to +100°C (9) 1 (1) 1.5 (2) 2 (1) 2.5 (2) 3 (1) 3.5 (2) 4 (2) 4.5 (1) 5 (4) 5.5 (2) 6 (4) 6.5 (2) 7 (4) 7.5 (2) 8 (4) 8.5 (2) 9 (2) 10 (5) 10.5 (2) 11 (4) 11.5 (2) 12 (3) 12.5 (34) 15 (4) 16 (10) 20 (7) 20.7 (90) 25 (1) 30 (2) 40 (1) 50 (1) 60 (1) 75 (1)
Media

BSPP (330) BSPT (39)
Nominal Bore Amm

Female (17) Male (161)
Nominal Bore Inch

BSPP (290)
Nominal Diametermm

6 (3) 8 (58) 10 (112) 13 (24) 15 (3)
Nozzle Lengthmm

100 (1)
Outlet Gender

Female (369)
Outlet Size Inch

1" (80) 1.1/2" (48) 1.1/4" (61) 1/2" (32) 2" (46) 2.1/2" (29) 3" (7) 3/4" (66)
Outlet Type

BSPP (332) BSPT (37)
Outside Diameter Bmm

PN16 (50)
Outside Diametermm

20 (2)
Pipe Clamp Size B

1" (59) 1.1/2" (32) 1.1/4" (34) 1/2" (61) 2" (23) 2.1/2" (7) 3" (2) 3/4" (72)
Plating

Brass (1) Brass/Bronze (6) Bronze (57) Stainless Steel (50)
Quantity

Female (369)
Seal

PTFE (107) Thermoplastic Elastopollymer (2) Viton (141)
Set Pressurebar

0.5 (1) 1 (40) 1.5 (21) 2 (42) 2.5 (18) 3 (50) 3.5 (26) 4 (49) 4.5 (10) 5 (39) 5.5 (17) 6 (46) 6.5 (12) 7 (39) 7.5 (22) 8 (30) 8.5 (19) 9 (27) 9.5 (8) 10 (33) 10.5 (16) 11 (24) 11.5 (9) 12 (12) 12.5 (11) 15 (3) 16 (3) 20 (2)
Size

1" (20) 1.1/2" (10) 1.1/4" (10) 1/2" (20) 2" (10) 3/4" (20)
Standard

Female (290) PN16 (50)
Stem O Dmm

1" (5) 1.1/2" (10) 1.1/4" (10) 10" (1) 12" (1) 2" (11) 2.1/2" (6) 3" (6) 3/4" (5) 4" (1) 5" (1) 6" (1) 8" (1)
Temperature2

1" (25) 1/2" (21) 3/4" (47)
Thread Gender

Female (17) Male (173)
Thread Gender A

Female (17) Male (76)
Thread Gender B

Female (93)

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Pressure Relief Valve

Discover our comprehensive range of pressure relief valves, from pressure safety valves to liquid relief valves, available in BSPP and BSPT thread types and a range of materials, from brands like Seetru, Nabic and Jaymac.

1/2" 1.0 BAR LIQUID RELIEF VALVE

Product code: 542L-15-1

Technical sheet: 1400

~~£575.90~~

List price

£345.54

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1/2" 1.5 BAR LIQUID RELIEF VALVE

Product code: 542L-15-1.5

Technical sheet: 1400

~~£575.90~~

List price

£345.54

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1/2" 10.0 BAR LIQUID RELIEF VALVE

Product code: 542L-15-10

Technical sheet: 1400

~~£575.90~~

List price

£345.54

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1/2" 10.5 BAR LIQUID RELIEF VALVE

Product code: 542L-15-10.5

Technical sheet: 1400

~~£575.90~~

List price

£345.54

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1/2" 2.0 BAR LIQUID RELIEF VALVE

Product code: 542L-15-2

Technical sheet: 1400

~~£575.90~~

List price

£345.54

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1/2" 2.5 BAR LIQUID RELIEF VALVE

Product code: 542L-15-2.5

Technical sheet: 1400

~~£575.90~~

List price

£345.54

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1/2" 3.0 BAR LIQUID RELIEF VALVE

Product code: 542L-15-3

Technical sheet: 1400

~~£575.90~~

List price

£345.54

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1/2" 3.5 BAR LIQUID RELIEF VALVE

Product code: 542L-15-3.5

Technical sheet: 1400

~~£575.90~~

List price

£345.54

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1/2" 4.0 BAR LIQUID RELIEF VALVE

Product code: 542L-15-4

Technical sheet: 1400

~~£575.90~~

List price

£345.54

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1/2" 4.5 BAR LIQUID RELIEF VALVE

Product code: 542L-15-4.5

Technical sheet: 1400

~~£437.77~~

List price

£262.67

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1/2" 5.0 BAR LIQUID RELIEF VALVE

Product code: 542L-15-5

Technical sheet: 1400

~~£575.90~~

List price

£345.54

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1/2" 6.0 BAR LIQUID RELIEF VALVE

Product code: 542L-15-6

Technical sheet: 1400

~~£575.90~~

List price

£345.54

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1/2" 7.0 BAR LIQUID RELIEF VALVE

Product code: 542L-15-7

Technical sheet: 1400

~~£575.90~~

List price

£345.54

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1/2" 8.5 BAR LIQUID RELIEF VALVE

Product code: 542L-15-8.5

Technical sheet: 1400

~~£575.90~~

List price

£345.54

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3/4" 1.0 BAR LIQUID RELIEF VALVE

Product code: 542L-20-1

Technical sheet: 1400

~~£661.15~~

List price

£396.69

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