Type 350/360/370SS Series

Stainless Steel Regulators and Filters

Type 350SS Stainless Steel Filter Regulator | Type 360SS Stainless Steel Regulator
Type 370SS Stainless Steel Filter

The Type 350/360/370SS series of stainless steel

regulators, filter regulators and filters are designed
to stand up to the harshest environments while
providing highly accurate pressure regulation.
Proven 316L stainless steel housing and 316 stain-
less steel filter assemblies along with fluorocarbon
elastomers make the 350/360/370SS compatible
with sour gas and adaptable to off shore environ-
ments. These quality instruments are economical
to buy as well as operate, and provide extremely
stable and repeatable control of gas pressure.
Oversized valving helps the units achieve high
flow rates with minimal pressure drop.

Features
• All 316 Stainless Steel Construction
Ideal for sour gas and/or corrosive
environments
• NACE Compliant
Meets NACE #MR-0175 material requirement
for sulfide stress cracking
• 1/4" NPT and 1/2" NPT
Ported Versions
• Autodrain Option
• Low Temperature Option
• High Flow Capacity
• Tapped Exhaust Port
Permits remote venting of
hazardous gases
• Minimal Air Consumption
Low cost of ownership
Type 350/360/370SS Series

Specifications

Type 350SS Type 360SS Type 370SS

Output Ranges: 0-30 psig (0-2.0 BAR), 0-60 psig (0-4.0 BAR), 0-100psig (0-7.0 BAR), 0-150 psig (0-10.0 BAR) Not applicable
Exhaust Capacity: 1.0 SCFM (30 Nl/min) at downstream pressure of 10 psig (0.7 BAR) above set point Not applicable
Maximum 290 psig (20.0 BAR) 290 psig (20.0 BAR) 150 psig (10.0 BAR)
Supply Pressure: Autodrain: 150 psig (10.0 BAR) Autodrain: 150 psig (10.0 BAR)
Maximum Flow 1/4" = 1.2
Coefficients (Cv): 1/2" = 3.3
Air Consumption: 4 SCFH (2 Nl/min) maximum Not applicable
Operating -20° to +185° F (-29° C to +85° C)
Autodrain Option: (Type 350 and Type 370 only) 32° to 185°F (0° to 85°C)
Temperatures: Low Temperature Option: -61° to +194° F (-52° to + 90° C)
Filter: 25 micron Not applicable 25 micron
optional 5 micron filter optional 5 micron filter
Porting: Inlet/Outlet: 1/4" NPT or 1/2" NPT 1/4" NPT or 1/2" NPT 1/4" NPT or 1/2" NPT
Gauge (2): 1/4" NPT 1/4" NPT 1/4" NPT
Exhaust: 1/8" NPT 1/8" NPT
Materials: 316L stainless steel: housings
316 stainless steel: filter, range spring, trim
Inconel: valve spring
Fluorocarbon: diaphragm, seals
Silicone: diaphragm, seals (low temperature option)
Weight: 1/4" NPT: 2.2 lbs. (1.0 kg) 1/4" NPT: 2.0 lbs. (0.9 kg) 1/4" NPT: 2.1 lbs. (0.95 kg)
1/2" NPT: 2.8 lbs. (1.3 kg) 1/2" NPT: 2.6 lbs. (1.2 kg) 1/2" NPT: 2.5 lbs. (1.14 kg)
Additional for Autodrain: 0.6 lbs. (0.3 kg)
Operating Media: Air, inert gas, sweet (natural) and sour gases

Regulated Pressure vs. Flow (Type 350/360SS, typical) Pressure Drop vs. Flow (Type 370SS, typical)
(0-100 psig range, 105 psig supply)

Regulated Pressure vs Flow: 1/4” Type 350 Regulated Pressure vs Flow: 1/2” Type 350 1/4" NPT Port 1/2" NPT Port
90 90 10 10
(6.2) (6.2)
80 Supply Pressure: 100psig 80 Supply Pressure: 100psig 9
SUPPLY
120 PSI 9 SUPPLY
(5.5) Cv: 1.2 (5.5) Cv: 3.3
Regulated Pressure, psi (bar)

Regulated Pressure, psi (bar)

120 PSI
70 70 8 8
(4.8) (4.8) SUPPLY
60 60 7 90 PSI 7 SUPPLY
Pressure drop (psi)

Pressure drop (psi)

(4.1) (4.1) 90 PSI

50 50 6 SUPPLY 6
(3.5) (3.5) SUPPLY
5 60 PSI
5 60 PSI
40 40
(2.8) (2.8) 4 4
30 30
(2) (2) 3 SUPPLY 3 SUPPLY
20 20 2
30 PSI
2
30 PSI
(1.4) (1.4)
10 10 1 1
(0.07) (0.07)
0 0 0 0
0 10 20 30 40 50 60 0 20 40 60 80 100 120 140 160 180 0 10 20 30 40 50 60 70 80 90 100 0 10 20 30 40 50 60 70 80 90 100
(283) (566) (849) (1132) (1415) (1698) (566) (1132) (1698) (2264) (2830) (3396) (3964) (4530) (5097) (0) (283) (566) (849) (1132) (1415) (1698) (1981) (2264) (2547) (2830) (0) (283) (566) (849) (1132) (1415) (1698) (1981) (2264) (2547) (2830)

FLOW, scfm (nl/min) FLOW, scfm (nl/min) Flow, scfm (nl/min) Flow, scfm (nl/min)
Clean, stable performance for tough, dirty process control

Type 350SS

• Low air consumption

for greater operating
economy
• Tapped exhaust for
c o n t r ol A ir In c .
remote venting
TYPE 350S
S

• 1/4" NPT and 1/2" NPT

316 STAINLESS STEEL

porting
• Competetively priced
• Low droop at high
flow levels
• 316 stainless steel
housing and
filter assemblies
• High flow manual drain
for easy maintenance
• Compact size
• Large flow paths to
minimize pressure
Type 360SS drop
• Meets all NACE
requirements
• Automatic drain
option (shown)
• Excellent stability and
repeatability, even in
c o n t r ol A ir In c .
harsh environments
TYPE 360SS
316 STAINLESS STEEL

Mounting Bracket Panel Nut

Pressure Gauge
370SS

Co ntro lAir Inc .

Knob

Drawing downloads available

at www.controlair.com
Type 350/360/370SS Series

Ordering
Type 350SS Filter Regulator Options Add proper letter at end of model number.
Model Part Number Port Size Output Range A - Automatic Drain (Type 350 and Type 370 only)
(NPT) (psi) (BAR) Float operated drain with 1/8” NPT connection. Maximum 150 psig
supply pressure. Minimum 32°F (0°C) temperature.
350SS 350-BA 1/4" 0 - 30.0 0 - 2.0 F - 5 Micron Filter
350SS 350-BB 1/4" 0 - 60.0 0 - 4.0 Standard 25 micron filter is replaced with 5 micron filter for more com-
plete air filtration
350SS 350-BC 1/4" 0 -100.0 0 - 7.0
K - Knob with stainless steel stem
350SS 350-BD 1/4" 0 -150.0 0 -10.0 L - Low Temperature Operation
350SS 350-DA 1/2" 0 - 30.0 0 - 2.0 For “Arctic” applications. Good for temperatures range of -61°F to
+194°F (-52°C to +90°C). Not suitable for sour natural gas
350SS 350-DB 1/2" 0 - 60.0 0 - 4.0
N - Nonrelieving
350SS 350-DC 1/2" 0 -100.0 0 - 7.0 For constant flow or downstream pressure relief applications

350SS 350-DD 1/2" 0 -150.0 0 -10.0 R - EAC TR-CU

X - ATEX 94/9/EC
Note: Options A and L cannot be combined.
Type 360SS Regulator
Model Part Number Port Size Output Range Accessories.
(NPT) (psi) (BAR)
Panel Nut -P/N 446-734-052
360SS 360-BA 1/4" 0 - 30.0 0 - 2.0 Mounting Bracket Kit -P/N 448-542-011
360SS 360-BB 1/4" 0 - 60.0 0 - 4.0 Includes mounting bracket and panel nut
Pressure Gauge -2” face: dual scale: 1/4” NPT centerback connection:
360SS 360-BC 1/4" 0 -100.0 0 - 7.0
stainless steel case and internals
360SS 360-BD 1/4" 0 -150.0 0 -10.0 0-30 psig (0-2.0 BAR) P/N 445-725-019
360SS 360-DA 1/2" 0 - 30.0 0 - 2.0 0-60 psig (0-4.0 BAR) P/N 445-725-020
360SS 360-DB 1/2" 0 - 60.0 0 - 4.0 0-160 psig (0-11.0 BAR) P/N 445-725-021
Bug Screen - P/N 445-761-005
360SS 360-DC 1/2" 0 - 100.0 0 - 7.0
1/8" NPT stainless steel exhaust screen fitting
360SS 360-DD 1/2" 0 - 150.0 0 - 10.0

Applications
Type 370SS Filter
The Type 350/360/370SS is used extensively by OEMs and
Model Part Number Port Size end users to supply clean air to pneumatic controllers,
(NPT) transmitters, transducers, valve positioners, air cylinders,
370SS 370-BX 1/4" and a wide range of pneumatic control systems.

370SS 370-DX 1/2" Applications include:

Petrochemical processing, both on and offshore

Warranty ControlAir, LLC products are warranted to be free from defects in
materials and workmanship for a period of eighteen months from the date of
sale, provided said products are used according to ControlAir, LLC recommended Food, pulp and paper, and pharmaceutical processing
usages. ControlAir, LLC’s liability is limited to the repair, purchase price refund, or
replacement in kind, at ControlAir, LLC’s sole option, of any products proved
Pollution control
defective. ControlAir, LLC reserves the right to discontinue manufacture of any
products or change products materials, designs or specifications without notice.
Note: ControlAir does not assume responsibility for the selection, use, or Waste water treatment
maintenance of any product. Responsibility for the proper selection, use, and
maintenance of any ControlAir product remains solely with the purchaser and
end user. Drawing downloads available at www.controlair.com

Drawing downloads available at www.controlair.com

8 Columbia Drive / Amherst, NH 03031 USA / www.controlair.com / sales@controlair.com / 603-886-9400 / FAX 603-889-1844
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