MR105 and MR108 High Capacity Industrial Regulators Flier0 pages
Types MR105 and MR108
High capacity industrial regulators.
TYPE MR108
LOW-PRESSURE
ACTUATOR
NEW
TYPE MR105
HIGH-PRESSURE
ACTUATOR
Types MR105 and MR108
Types MR105 and MR108 regulators provide fast, accurate,
and reliable pressure control for a variety of liquid and
gas applications. A simple and durable design is utilized
to withstand dirt and debris common in many liquid
applications without sticking and without compromising
shut-off performance. Applications include boiler feed
water, cooling water, lubrication oil, and any critical service
where the fluid is not free of impurities.
Product advantages:
t• Available constructions to meet NACE MR0175-2003
and NACE MR0103 requirements for Sour Gas
Service Capability
• ANSI/FCI 70-3-2004 Class VI Shutoff
t• Large Flow
• Travel indicator for Type MR105
• Fast Response
• Multiple end connection options
• Suitable for High-Temperature Applications
up to 250°F / 121°C
Features:
Actuator Type and Maximum Outlet and
Emergency Casing Pressures:
Low-Pressure Actuator: 70 psig / 4,8 bar
High-Pressure Actuator: 400 psig / 27,6 bar(1)
Outlet Pressure Ranges:
5 to 300 psig / 0,35 to 20,7 bar(2)
Temperature Capabilities:
Nitrile (NBR): -20° to 180°F / -29° to 82°C
Fluorocarbon (FKM): 20° to 250°F / -7° to 121°C
Downstream Control Line Connection Size:
1/2 NPT
Maximum Pressure Over Setpoint to Avoid Internal
Parts Damage:
Low-Pressure Actuator: 20 psig / 1,4 bar
High-Pressure Actuator: 120 psig / 8,3 bar
1. For constructions with Fluorocarbon (FKM) diaphragm, maximum outlet and emergency
casing pressures are limited to 230 psig / 15,8 bar or the body rating limit, whichever
is lower.
2. For high-pressure actuator constructions with Fluorocarbon (FKM) diaphragm, maximum
set pressure is limited to 150 psig / 10,3 bar.
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