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2.0 SPECIFICATIONS
2.1 SPECIFICATIONS FOR THE SRB5900 BLIZZARD, SRB5700 OASIS, AND SRB5300 MAGNUM
REGULATOR MODEL: Sherwood SRB5900 Blizzard, SRB5700 Oasis,
SRB5300 Magnum
AIR FLOW: 33 cu. ft. (935 liters)/min. @ 1 atmosphere
INHALATION RESISTANCE: .9" (2.3 cm) w.c @ 1 atmosphere
EXHALATION RESISTANCE: 0.7" (1.8 cm) w.c. max. @ 1 atm.
RECOMMENDED LUBRICANT: LTI Christo-Lube
®
A. First Stage Regulator:
TYPE: Flow-by piston with Moving Orifice Balancing and Dry Air
Bleed – U.S. Pat. # 4,226,257
WEIGHT: 1 lb. 11 oz. (.77kg)
INTERSTAGE PRESSURE: 135 -150 psi (9-10 bar)
MAXIMUM INLET PRESSURE: 232 Bar for SRB5900CE, SRB5700CE,
and SRB5300CE Models
POSITIVE AIR PURGE
FLOW RATE: 13-27 cc/minute
# LOW PRESSURE PORTS: 4 (3/8"-24 UNF)
# HIGH PRESSURE PORTS: 2 (7/16"-20 UNF)
MATERIALS: Body – CDA-360 Brass
O-rings – Buna-N
Bleed Valve – Ethylene Propylene
Piston Seat – Teflon
®
B. Second Stage Regulator:
TYPE: Downstream valve, diaphragm, Variable Fulcrum –
U.S. Pat.#3,991,785
WEIGHT: 5.1 oz. (.15 kg) ( w/o hose)
HOSE LENGTH: 31 in. (.79 m)
MATERIALS : Cover –Thermoplastic vinyl
Case –Thermoplastic Triax
®
Poppet Seat – Buna-N
Poppet Seat – Buna-N
O-Rings – Buna-N
Diaphragm – Tufel
®
(clear blue)
Exhaust Valve – Thermoplastic elastomer (blue)
Mouthpiece – C-Flex
®
Maximum certified depth is 50m
3