Technical data

4. Die-Cast "T" Bar
Adjusting Screw
5. Delrin™
Bonnet Insert
2. Color
Coded Labels
1. External
Relief Valve
6. Nickel
Plated Bonnet
7. Dual Filters
Including Sure Seat
™
3. Stainless
Steel Diaphragm
8. Shatter Resistant
Gauge Lenses
47
Regulators
Flowmeters
FEATURE BENEFITS
External Relief Valve
Protects regulator from damage due to
inadvertent high pressure surge.
Color Coded Labels
Supply performance capabilities and easy
gas service identification.
Stainless Steel Diaphragm
Resists damage and freeze-up if used with
liquid gases for extended service life.
Die-Cast "T" Bar Adjusting Screw
Provides comfort and durability.
Delrin™ Bonnet Insert
Allows smooth, easy adjustment even at
high pressure levels.
Nickel Plated Bonnet
Along with brass body protect
against corrosion.
Dual Filters Including Sure Seat
™
Protects high pressure seat from debris
for reliable operation and long service life.
Shatter Resistant Gauge Lenses
2-1/2" Brass gauges with Polycarbonate
lenses resist damage and corrosion.
1
2
3
4
5
6
7
8
Rugged Series 40™ high
flow capacity regulators are
designed to handle the most
demanding jobs. Constructed
with Smith's Sure-Seat™
technology and a stainless
steel diaphragm they are
built to last.
Series 40™ Regulators
with Hard Hat™
Gauge Protectors
3 Year Limited Warranty
Regulators
Premium Heavy Duty Series 40
™
(Single Stage Pressure Regulators)
Sure-Seat™
Filtered High Pressure
Seat Assembly