Model L2300A

Pressure Relief Valve

The L2300A provides emergency relief capacity above what can be supplied by standard operating valves. Use it to protect tanks, piping and low-pressure vessels from internal pressure damage.

  • Built entirely of corrosion-resistant material
  • Self-closing fluoropolymer “cushioned air” pallet with center stabilizing stem and peripheral guiding provides uniform seating and alignment
  • Standard high-performance fluoropolymer seating diaphragms minimize sticking caused by resinous vapors and atmospheric moisture
  • Guides to support a spun weatherhood cover and protect the valve structure
  • Mesh screen under the weatherhood provides added protection against the entry of foreign matter

Sizes: 2″ (DN 50) – 12″ (DN 300)

Material: aluminum, carbon steel, stainless steel and other materials

Pressure: 0.5 oz/in2 – 15 psig

Size*
Flange
(Metric)
Max. Set
Pressure
Minimum
Set
Pressure
A
Diameter
(Metric)
AA
Diameter
(Metric)
B
Height
(Metric)
BB
Height
(Metric)
Approx. Ship
Wt. Lbs.
(Aluminum)
2″
(50 mm)
16 oz/in2 WEIGHT LOADED
(70.3 gm/cm2)
15 psig SPRING LOADED
(1.05 kg/cm2)
**0.5 oz/in2
(2.2 gm/cm2)
WEIGHT LOADED
9.50″
(241 mm)
9.50″
(241 mm)
9.75″
(248 mm)
16.50″
(419 mm)
12
(5 kg)
3″
(80 mm)
11.50″
(292 mm)
13″
(330 mm)
8.62″
(219 mm)
22″
(550 mm)
15
(7 kg)
4″
(100 mm)
13″
(330 mm)
13″
(330 mm)
10.56″
(268 mm)
22.50″
(572 mm)
20
(9 kg)
6″
(150 mm)
19″
(480 mm)
19.50″
(495 mm)
15″
(381 mm)
30.50″
(784 mm)
30
(14 kg)
8″
(200 mm)
23.62″
(600 mm)
23.50″
(597 mm)
16.62″
(422 mm)
35.37″
(899 mm)
45
(20 kg)
10″
(250 mm)
30.75″
(781 mm)
25.50″
(648 mm)
17″
(431 mm)
41.37″
(1051 mm)
65
(30 kg)
12″
(300 mm)
36″
(914 mm)
25.50″
(648 mm)
18″
(457 mm)
42.37″
(1076 mm)
100
(45 kg)

Specifications subject to change without notice. Certified dimensions available upon request.

‡ On spring loaded valves, change to model 2301A. † Larger sizes available – consult factory. * 150# ANSI drilling compatibility, F.F. on Aluminum and R.F. on carbon steel and stainless steel alloys. **Some sizes require non-ferrous components to achieve 0.5 oz/in2 setting.

  • Buna-N, fluoropolymer, FKM and other seating diaphragms
  • Steam jacket
  • Spacer

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