3550 Series Air Service Equipment

Operating Medium	Gases, air, inert gas, sweet (natural) and sour gases
Ingress Protection	Heavy seas/on deck rating
Ports NPT	(BSP option available); 3/4", 1"
Gauge Ports	(BSP option available); 1/8" NPT; 1/4" NPT (option available)
Relief/Vent Port	1/8" NPT (Fitted with bug screen)
Ambient Temperature	• -20ºC to +80ºC (-4ºF to +176ºF)
Filtration	5 micron
Working Pressure	Filters and Filter regulators; Manual drain 20 bar (290 psi); 0.2 to 4 bar (2.90 to 58 psi); 0.3 to 7 bar (4.35 to 12 psi); 0.5 to 10 bar (7.25 to 145 psi); 0.8 to 16 bar (11.60 to 232 psi)
Bowl Retention Capacity	260cc (15.87cu ins)
Regulated Pressure	• 0.1 to 2 bar (1.45 to 29 psi); • 0.2 to 4 bar (2.90 to 58 psi); • 0.3 to 7 bar (4.35 to 102 psi); • 0.5 to 10 bar (7.25 to 145 psi); • 0.8 to 16 bar (11.60 to 232 psi);
Maximum Relief Flow	at 2 bar (29 psi) secondary pressure; 0.5 cc/sec (0.03cu in/sec)
Cv (Kv)	3/4" - 7.8 (117); 1" - 8.0 (120)
Construction Materials	Body/Bonnet/Bowl and internals Stainless Steel AISI 316 S11 to NACE MR-01-75; Sintered Polypropylene Element; Nitrile and 316 Stainless Steel Diapragm; Iconel X750 Valve Spring; 316 Stainless Steel Adjustment spring; Fluoroelastomer Seals and Valve Assembly

3550 Series Filter Regulators

A 316 Stainless Steel combined unit for filtration and regulation of compressed air in the offshore and allied industries.

Filter Unit	40 Micron manual or automatic standard element
Ports NPT	(BSP Option available) 1/4", 1/2", 3/4"
Ambient Temperature	-20ºC to +80ºC (-4ºF to +176ºF) Low temperature version -50ºC (-58ºF ) (optional)
Gauge Ports	(BSP option available) 1/8" NPT, 1/4" NPT (option available)
Relief/Vent Port	1/8" NPT (Fitted with bug screen)
Maximum Inlet Pressure	Manual drain - 20 bar (290 psi) Automatic Drain - 17 bar (247 psi)
Regulated Pressure	• 0.5 to 2 bar (7.2 to 29 psi); • 0.5 to 4 bar (7.2 to 58 psi); • 0.5 to 8 bar (7.2 to 116 psi); • 0.5 to 12 bar (7.2 to 174 psi);
Maximum Relief Flow	At 2 bar (29psi) seconday pressure 0.5cc/sec (0.03 cu in/sec
Bowl Retention Capacity	21cc (1.28cu ins)
Flow Capacity	10 bar (145 psi) inlet pressure, 6 bar (87 psi) seconday pressure with 1 barr (14.5 psi) pressure drop;1/4" - 3720 L/min (130 SCFM)1/2" - 600 l/MIN (212 SCFM)
Cv (Kv)	1/4" - 2.4 (34.0)1/2" - 4.4 (63.0)3/4" - 5.0 (71.0)

3550 Series Filters

A 316 Stainless Steel compressed air filter, designed to provide clean air for offshore and allied industries

Ports NPT	(BSP option available) 1/4", 1/2", 3/4"
Gauge Ports	(BSP option available); 1/8" NPT; 1/4" NPT (option available)
Automatic Drain Port	1/8" NPT
Working Pressure	Manual drain 20 bar (290 psi); Automatic drain 17 bar (247 psi)
Ambient Temperature	-20ºC to +80ºC (-4ºF to +176ºF); Low temperature version; -50ºC (-58ºF ) (optional)
Bowl Retention Capacity	21cc (1.28 cu ins)
Flow Capacity	At 7 bar (102 psi) supply pressure, 0.35 bar (5 psi) pressure drop; 1/4" - 1380 L/min (49 SCFM); 1/2" - 2940 l/MIN (104 scfm)
Cv (Kv)	• 1/4" - 2.4 (34.0); • 1/2" - 4.4 (63.0); • 3/4" - 5.0 (71.0)

3550 Series Pressure Regulators

A 316 Stainless Steel pressure regulator for pressure regulation of compressed gases for the offshore, allied industries.

Ambient Temperature	-20ºC to +80ºC (-4ºF to +176ºF); Low temperature version; -50ºC (-58ºF ) (optional)
Ports NPT	(BSP option available) 1/4", 1/2", 3/4"
Gauge Ports	(BSP option available); 1/8" NPT; 1/4" NPT (option available)
Relief/Vent Port	1/8" NPT (Fitted with bug screen)
Maximum Inlet Pressure	20 bar (290 psi)
Regulated Pressure	0.50 to 2 bar (7.2 to 29 psi); 0.50 to 4 bar (7.2 to 29 psi); 0.50 to 8 bar (7.2 to 116 psi); 0.50 to 12 bar (7.2 to 174 psi)
Maximum Relief Flow	At 2 bar (29psi) secondary pressure; 0.5cc/sec (0.003 cu in/sec)
Flow Capacity	10 bar (1455 psi) inlet pressure, 6 bar (87 psi) secondary pressure with 1 bar (14.5 psi) pressure drop; 1/4" - 3720 L/min (130 SCFM); 1/2" - 6000 l/MIN (212 SCFM)
Cv (Kv)	1/4" - 2.4 (34.0); 1/2" - 4.6 (65.5); 3/4" - 5.2 (74.0)