Gestra's Non-Return Valves

GESTRA is a global leader in the design and production of valves and control systems for heat and process fluid control. We offer our customers a full range of complete systems and intelligent solutions engineered to function with maximum reliability.
Thermostatic Steam Traps BK with Bimetallic Regulator
BK212, BK28, B28 ASTM, BK29, BK45, BK35, BK45 45
Thermostatic Steam Traps MK with Membrane Regulator
MK45-1, MK45-2, MK35/31, MK45 A-1, MK36/51

Ball-Float Traps UNA
UNA13, UNA15, UNA23, UNA25, UNA26, UNA27, UNA39
AK45, UBK46, SMK22, MK20, TK23, TK24
GESTRA
Gravity Circulation Checks and Non-Return Valves-SBO, RK70, RK71, MB14
Non-Return Valves-RK41, RK44, RK76
RK41 Especially suited for heating installations
RK44

RK44S For sea water and drinking water
RK76 For industrial applications
The All-Rounder for Industrial Applications
Non-Return Valves RK86 and RK86A
For liquids, gases, vapours. Application as gravity
Circulations check, vacuum breaker, breather, foot valve,
RK 86 40 pressure-maintaining valve, check valve.
RK 86 A especially suited for low temperatures,
Aggressive fluids, boiler feedwater lines, and other
Industrial applications.
Non-Return Valves -RK16A, RK49
For Special Applications

Versions:
RK16 A For aggressive media and temperatures down to minus 200° C
RK49 For high pressures (160 bar) and temperatures up to 550° C
RK29 For high pressures and special tasks
DISCO Swing Check Valves CB
For liquids, gases, vapours
Application:
CB14 For water and compressed air
CB24 S For sea water, drinking water, swimming-pool water
CB26 For low temperatures
CB26 A For aggressive fluids, drinking water, or swimming-pool water
GSF, SZ

GAV
GSV
ORGS 11-2
Level electrode
NRG 111-11
NRG 211
NRG 16-11
NRS1-7
NRS1-5
BAE46/MPA46