GSD2 General Service Back Pressure Regulator

Port Sizes:
Max Pressure (Std Body Mat’l)
750 psig / 51 bar(g)
Body Material (Standard):
Stainless Steel 316/316L
Body Material (Optional):
Hastelloy C276, Monel, Anodized Aluminum, PVC, PVDF, PEEK, PTFE and other custom materials
Max CV:
Key Applications:


The GSD2 Back Pressure Regulator is one of the most popular back pressure regulators because it is useful for larger research applications and has high enough capacity to control small industrial fluid systems.

GS Series Back Pressure Regulators

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Additional information


2.41 lbs (1.09 kg)(SS); .70 lbs (0.32 kg)(PVC)

Metal Models

DIM A – 3.00 in (76 mm), DIM B – 1.34 in (34 mm)

Polymer Models

DIM A – 3.25 in (83 mm), DIM B – 1.58 in (40 mm)

PTFE Models

DIM A – 3.25 in (83 mm), DIM B – 1.62 in (41 mm)


Standard: 1/8″ NPT, Optional: 1/8″ BSPP; Swagelok VCO®; Swagelok VCR®; SAE; Tube Stub