Rotork Midland (UK) Product Range

Breather-Silencer

Technical Data

Working Pressure (gases & liquids:
12 bar (174 psi)

Working Temperature:
-20ºC to +70ºC (-4ºF to +158ºF)

Maximum Flow L/min (SCFM) - Cv(Kv) :
At 6 bar (87 psi)
1 bar (14.5 psi) differential

N.R.V Breathers:
1/4" 646(23) - 0.65(10)
3/8" 1300 (45) - 1.3(20)
1/2" 1550 (54) - 1.6 (24)

Breathers (Silencer):
1/4" 1550 (55) - 1.5 (24)
3/8" 1940 (68) - 2.0(30)
1/2" 3410 (123) - 3.5 (54)
3/4" 5500 (194) - 5.5 (85)
1" 5700 (201) - 5.7 (88)

Construction Material : Stainless Steel AISI 316L to NACE MR-0175
Stainless Steel AISI 316L to NACE MR-0175 Internals
Stainless Steel Spring
Nitrile Seals

N.R.V. Breathers Preferred Models

Model Number Thread A B C Weight kg (lbs)
2NRBSN102 1/4" NPT 34 (1.34) 17 (0.67) 17 (0.67) 0.028 (0.062)
3NRBSN102 3/8" NPT 40 (1.57) 23.4 (0.92) 21 (0.83) 0.059 (0.130)
4NRBSN102 1/2" NPT 45 (1.77) 23.4 (0.92) 21 (0.83) 0.063 (0.139)

Breathers (Silencers) Preferred Models

Model Number Thread A B Weight kg (lbs)
1BRESN102 1/8" NPT 31 (1.22) 14 (0.55) 0.012 (0.026)
2BRESN102 1/4" NPT 38 (1.50) 17 (0.67) 0.022 (0.048)
3BRESN102 3/8" NPT 44 (1.73) 22 (0.87) 0.034 (0.075)
4BRESN102 1/2" NPT 55 (2.16) 24 (0.94) 0.034 (0.075)
6BRESN102 3/4" NPT 70 (2.76) 32 (0.26) 0.10 (0.022)
8BRESN102 1" NPT 75 (2.95) 36 (1.32) 0.15 (0.33)