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)
Bolt Type Metric

5.5 (7) 9 (3) 11 (6)
Box Quantity

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

FT PRO (12) Gresswell Valves (90) Jaymac (50) Lorch (59) Nabic (391) Non-branded (24) Seetru (141) Wade (16)
Capacityml

Female (214)
Category

Process Valves and Instrumentation (783)
Closed Height Metres

0.5 (1) 1 (41) 1.5 (21) 2 (43) 2.5 (18) 3 (51) 3.5 (26) 4 (49) 4.5 (10) 5 (38) 5.5 (17) 6 (47) 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) 134 (1)
Dn Size

6 (12) 15 (6) 20 (6) 25 (6) 32 (6) 40 (9) 50 (6)
Flange Size Inch

1" (6) 1.1/2" (10) 1.1/4" (10) 1/2" (27) 10" (1) 12" (1) 2" (11) 2.1/2" (8) 3" (6) 3/4" (30) 3/8" (23) 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) 134 (1)
Flow C M P H

PTFE (90) Thermoplastic Elastopollymer (2) Viton (141)
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 M

Dome (90)
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)
Horsepower

Brass (1) Brass/Bronze (6) Bronze (40) Stainless Steel (50)
Inlet Gender

+180°C (141) +195°C (50) +75°C (36) +80°C (2) 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

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) Female (93)
Inlet Type

BSPP (290) Female (76)
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) Female (12) Male (151)
Inside Diameter B Inch

BSPP (70) BSPT (23)
Inside Diameter D2mm

15 (6) 20 (6) 25 (6) 32 (6) 40 (9) 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) 75 (1) BSPP (70)
Length Metres

BSPP (70) BSPT (23)
Lengthmm

1" (1) 1/2" (27) 20 (2) 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)
Liner

1" (20) 1.1/2" (10) 1.1/4" (10) 1/2" (20) 2" (10) 3/4" (20)
Maximum Diametermm

0.5 (1) 1 (33) 1.5 (13) 2 (35) 2.5 (11) 3 (39) 3.5 (14) 4 (38) 4.5 (6) 5 (28) 5.5 (11) 6 (38) 6.5 (8) 7 (26) 7.5 (11) 8 (21) 8.5 (11) 9 (20) 9.5 (4) 10 (23) 10.5 (10) 11 (17) 11.5 (7) 12 (9) 12.5 (7) 15 (3) 16 (1)
Maximum Gauge Pressurebar

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

BSPP (135)
Maximum Working Temperature

+180°C (141) +195°C (335) +75°C (39) +80°C (3) -10° C to +180° C (6) -10°C to +120°C (15) -15°C to +140°C (16) -15°C to +225°C (40) -60°C to +350°C (50) 0°C to +100°C (9)
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) 75 (1) PN16 (50)
Media

BSPP (331) BSPT (43)
Nominal Bore Amm

Female (17) Male (160)
Nominal Bore B Inch

1" (25) 1/2" (4) 3/4" (47)
Nominal Bore Inch

BSPP (290)
Nominal Diametermm

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

100 (1)
Numberof Inlets

1.1/2" (1) 2" (1) 3" (2) 4" (2) 6" (1)
Numberof Outlets

0 to 4 (2)
Outlet Gender

Female (374)
Outlet Ports

15 (6) 20 (6) 25 (6) 32 (6) 40 (6) 50 (6)
Outlet Size Inch

1" (80) 1.1/2" (48) 1.1/4" (61) 1/2" (32) 2" (49) 2.1/2" (31) 3" (7) 3/4" (66)
Outlet Type

BSPP (331) BSPT (43)
Outside Diameter Ainch

6 (3) 8 (58) 10 (112) 13 (24) 15 (3)
Outside Diameter Bmm

PN16 (52)

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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.

9 BAR 1/4" BSPT 8MM ATMOS S.VALVE

Product code: SEE0117A1B

Technical sheet: 10342

~~£157.45~~

List price

£106.29

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5.5 BAR 1/4" BSPT 8MM ATMOS S.VALVE

Product code: SEE011EA1B

Technical sheet: 10342

~~£109.02~~

List price

£73.59

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11 BAR 3/8" BSPT 8MM ATMOS S.VALVE

Product code: SEE0216A1B

Technical sheet: 10342

~~£157.45~~

List price

£106.29

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5 BAR 3/8" BSPT 8MM ATMOS S.VALVE

Product code: SEE021DA1B

Technical sheet: 10342

~~£157.45~~

List price

£106.29

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12 BAR 3/8" BSPT 8MM ATMOS S.VALVE

Product code: SEE021PA1B

Technical sheet: 10342

~~£109.02~~

List price

£73.59

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11 BAR 1/2" BSPT 10MM ATMOS S.VALVE

Product code: SEE0326A1B

Technical sheet: 10342

~~£215.89~~

List price

£145.73

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9 BAR 1/2" BSPT 10MM ATMOS S.VALVE

Product code: SEE0327A1B

Technical sheet: 10342

~~£215.89~~

List price

£145.73

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5.5 BAR 1/2" BSPT 10MM ATMOS S.VALVE

Product code: SEE032EA1B

Technical sheet: 10342

~~£215.89~~

List price

£145.73

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11 BAR 3/4" BSPT 15MM ATMOS S.VALVE

Product code: SEE0436A1B

Technical sheet: 10342

~~£241.52~~

List price

£163.03

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9 BAR 3/4" BSPT 15MM ATMOS S.VALVE

Product code: SEE0447A1B

Technical sheet: 10342

~~£358.84~~

List price

£242.22

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11 BAR 1" BSPT 15MM ATMOS S.VALVE

Product code: SEE0546A1B

Technical sheet: 10342

~~£358.84~~

List price

£242.22

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1/4" BSPP 1.0 BAR 08MM ATMOS SAFETYVALVE

Product code: SEE9111A1B

Technical sheet: 10342

~~£157.45~~

List price

£106.29

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1/4" BSPP 1.5 BAR 08MM ATMOS SAFETYVALVE

Product code: SEE9112A1B

Technical sheet: 10342

~~£157.45~~

List price

£106.29

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1/4" BSPP 2.0 BAR 08MM ATMOS SAFETYVALVE

Product code: SEE9113A1B

Technical sheet: 10342

~~£157.45~~

List price

£106.29

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1/4" BSPP 2.5 BAR 08MM ATMOS SAFETYVALVE

Product code: SEE9114A1B

Technical sheet: 10342

~~£157.45~~

List price

£106.29

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