Groth Relief Valve

GROTH
PRESSURE VACUUM

Groth Relief Valve

Groth Pressure/Vacuum Relief Valve Model 1200A

The Model 1200A pressure vacuum relief valve is designed to protect your tank from damage created by overpressure or excessive vacuum. Costly product evaporation losses due to normal tank “breathing” are greatly reduced.

Groth Valve Features :
  • Fluoropolymer seating diaphragms are standard to minimize sticking caused by resinous vapors and atmospheric moisture
Groth Valve Series :
SIze Range 2″ (DN 50) through 12″ (DN 300)
Material Available in aluminum, carbon steel, stainless steel, fiberglass and other materials
Pressure 0.5 osig to 15 psig (2.15 mbarg to 1.03 barg)
Vacuum 0.5 osig to 7.35 psig (2.15 mbarg to 506 mbarg)
Certification ATEX and PED Approval

Groth Relief Valve

Groth Pressure/Vacuum Relief Valve with Pressure Spring Model 1201B

The 1200 series is designed to protect your tank from damage created by overpressure or excessive vacuum. Costly product evaporation losses due to normal tank.

SIze Range Sizes 2″ (DN50) through 12″ (DN300)
Material Available in aluminum, carbon steel, stainless steel, fiberglass and other materials
Pressure 1 psig to 15 psig (68.9 mbarg to 1.03 barg)
Vacuum 0.5 osig to 12 psig (2.15 mbarg to 827 mbarg)
Certification ATEX and PED Approval

GROTH
PRESSURE VACUUM

Groth Relief Valve

Groth Pressure/Vacuum Relief Valve with Pressure Spring Model 1201B

The 1200 series is designed to protect your tank from damage created by overpressure or excessive vacuum. Costly product evaporation losses due to normal tank.

Size Range 1/2"-2"
Handwheel Diameter 86 (3.39)-157 (6.18)
Face to Face 216 ( 8.50)-368 (14.25)
Center to Top (Open) 153 ( 6.02)-325 (12.80)
Dia. of Port Openings 9.8 (0.39)-37.0 (1.46)

GROTH
PRESSURE VACUUM

GROTH
RELIEF VALVE
PRESSURE

Groth Relief Valve

Pressure Relief Valve w/ Pipe-Away Feature and Same-size Inlet and Outlet Model 1760A

Groth Series 1700 relief valve are designed with inlet and outlet flanges of the same size to reduce installation costs by having smaller downstream piping.

Groth Valve Features :
  • Cushioned Air Seating
  • Center and peripheral pallet guiding
  • Self-draining body
  • Fluoropolymer seating diaphragms
Groth Pressure Rating :
SIze Range 2” (DN50), 3” (DN75) and 4” (DN100)
Material Carbon Steel, Stainless Steel or Fiberglass
Seat and Pallet Materials 316 Stainless Steel

Groth Relief Valve

Groth Vacuum Relief Valve, Top Mount Model 1300A

The Groth Series 1300A is used when vacuum relief is the only requirement. Intake relief necessary under working conditions is achieved by a spring or weight loaded pallet.

Groth Valve Features :
  • Modular Construction
  • Cushioned air seating
  • Design avoids vacuum buildup due to binding or clogging of the vent
Groth Valve Series :
SIze Range 2” (DN50) through 12” (DN300)
Material Aluminum, Carbon Steel, Stainless Steel, special materials upon request
Vacuum settings 0.5 osi TO 17.3 OSI (2.15 mbarg to 1.19 barg)
Certification ATEX and PED Approval

GROTH
RELIEF VALVE
VACUUM

Groth Relief Valve

Groth Vacuum Relief Valve, Top Mount Model 1300A

The Groth Series 1300A is used when vacuum relief is the only requirement. Intake relief necessary under working conditions is achieved by a spring or weight loaded pallet.

Groth Valve Features :
  • Modular Construction
  • Cushioned air seating
  • Design avoids vacuum buildup due to binding or clogging of the vent
Groth Valve Series :
Size Range 1/2"-2"
End to End 76 (2.99)-172 (6.77)
Center to Top 48 (1.89)-105 (4.13)
Dia. of Port Openings 9.5 (0.37)-35.0 (1.38)

GROTH
RELIEF VALVE
VACUUM

GROTH
RELIEF VALVE
PILOT OPERATED

Groth Relief Valve

Groth Pilot Oprated Relief Valve w/ Vacuum Breaker Model 1400

The Groth 1400 Series Pilot-Operated Relief Valve are used to replace weight-loaded or spring loaded valve in many applications to increase efficiency and reduce
evaporation losses.

Groth Valve Features :
  • Ease of precision settings
  • Only the pilot needs to be set
  • Remote or manual blowdown available
Groth Valve Series :
SIze Range 2″ (DN 50) through 12″ (DN 300)
Material Standard body materials are carbon steel, stainless steel, aluminum
Pressure from 2.0* InWC to 15 psig * Requires 1402 Pilot for minimum settings
Vacuum from 7.0 InWC to 1 psig
Certification ATEX and PED Approval

Groth Vent and Hatches Valve

Groth Vent & Hatches

Groth Gauge Hatch – Hinged Cover Model 6000

The Groth Model 6000 Gauge Hatch provides access for gauging or obtaining product samples from storage tanks. Model 6000 Series is designed with a foot lever surface to avoid foot slippage when opening.

Groth Valve Features :
  • Design ensures uniform seating while providing convenient access for gauge product sampling
Groth Valve Series :
SIze Range 4″ (DN 100) through 10″ (DN 250)
Material Available in aluminum, carbon steel, stainless steel, and other materials

GROTH
VENT & HATCHES

Groth Vent & Hatches

Groth Gauge Hatch – Hinged Cover Model 6000

The Groth Model 6000 Gauge Hatch provides access for gauging or obtaining product samples from storage tanks. Model 6000 Series is designed with a foot lever surface to avoid foot slippage when opening.

SWI Globe Valve Features :
  • Two or three section assembly Fully Welded or Modular Design
  • Minimum of two Hydroformed
    Multiply Bellows
  • Stem backseat and stem packing ensure
SWI Pressure Rating :
Size Range 2"-4"
End Flange Dimensions ASME B16.5
Butt Weld End Dimensions ASME B16.25
Helium Leak Test Performed for each bellows assembly using helium detector with sensitivity of 10 cc/sec.
Bellows Material SS321, Inconel 625, Hastelloy, Monel etc…

GROTH
VENT & HATCHES

Groth Biogas Solution

GROTH
GAS CONTROL
BACK PRESSURE

Groth Biogas Solution

Groth Biogas Solution Back Pressure Check Valve
Model 8110

The Groth Model 8110 Back Pressure Check Valve is used specifically in low pressure gas control lines where minimum pressure drops and maximum flow capacity are required.

Groth Valve Features :
  • Full flow with low pressure drop
  • Low maintenance reduces the cost to operate the product
Groth Valve Series :
SIze Range 2” (DN 50) through 8” (DN 200)
Material Aluminum (type 356), Carbon Steel and Stainless Steel

Groth Biogas Solution

Groth Drip Trap – Manual Model 8460/8470

The Groth Manual Drip Trap may be easily attached to a Groth Sediment Trap for extra efficiency or installed for collection and safe removal of liquids from low points in
gas control lines.

Groth Valve Features :
SIze Range Aluminum (Type 356) body with Stainless Steel internal working parts
Pressure 5 PSIG Standard with 1” NPT connection; Up to 60 PSIG on special order
Certification ATEX Certified

GROTH
GAS CONTROL
DRIP TRAP

Groth Biogas Solution

Groth Drip Trap – Manual Model 8460/8470

The Groth Manual Drip Trap may be easily attached to a Groth Sediment Trap for extra efficiency or installed for collection and safe removal of liquids from low points in
gas control lines.

Groth Valve Features :
Size Range 2"-4"
End Flange Dimensions ASME B16.5
Butt Weld End Dimensions ASME B16.25
Helium Leak Test Performed for each bellows assembly using helium detector with sensitivity of 10 cc/sec.
Bellows Material SS321, Inconel 625, Hastelloy, Monel etc…

GROTH
GAS CONTROL
DRIP TRAP

Groth Emergency Relief

GROTH
PRESSURE RELIEF

Groth Emergency Relief

Groth Emergency Pressure Relief Valve, Weight-Loaded Model 2000A

The Groth Model 2000A is designed to provide emergency relief capacity beyond that furnished by the normal operating pressure relief valve on the tank. The valve protects the tank against rupture or explosion

Groth Valve Features :
  • Grounding Cable connects the head
    and flange
  • Cushioned Air pallet
Groth Valve Series :
SIze Range 16″ (DN 400) , 20″ (DN 500) and 24″ (DN 600)
Material Available in carbon steel, stainless steel, fiberglass and other materials
Pressure 1.5 oz/in2 to 16 psig (6.46 mbarg to 68.9 mbarg)
Vacuum 0.5 oz/in2 to 4 psig (2.15 mbarg to 17.2 mbarg)
Certification ATEX Approval

Groth Flame Control

Groth Flame Control

Groth Flame Arrester, Vertical Installation Model 7618

The Groth 7618 inhibits flame propagation in gas piping systems and protects low pressure tanks containing flammable liquids.

Groth Valve Features :
Flange Sizes 2” (DN50) through 12” (DN300)
Housing standard material Aluminum, Carbon Steel, Stainless Steel
Bases standard material Aluminum, Carbon Steel, Stainless Steel
Flame element standard material 316L Stainless Steel
Operational Temperature Range <= 140°F(60°C)

GROTH
FLAME CONTROL

GROTH
FLAME CONTROL

Groth Flame Control

Flame Arrester, Horizontal Installation Model 7628

The Groth 7628 model is designed to inhibit flame propagation in gas piping systems and to protect low pressure tanks containing
flammable liquids.

Sizes 2” (DN50) through 12” (DN300)
Material Aluminum, Carbon Steel, Stainless Steel
Flame element standard material 316L Stainless Steel
Operational Temperature Range <= 140 F (60 C)

Groth Flame Control

Groth Detonation Flame Arrester – Group C & D Gasses Model 7758A

The Groth Model 7758A Deflagration & Detonation Flame Arrester inhibits flame propagation in gas piping systems.

Groth Valve Features :
  • Compact with high flow capacity and low pressure drop
  • Elements are easily removed in-line for cleaning and maintenance
Groth Valve Series :
Sizes 2” (DN50) x 4” (DN100) through 12” (DN300) x 30” (DN750)
Housing standard material Carbon Steel, Stainless Steel, Alloy C276
Element Materials Stainless Steel, Alloy C276 or other corrosion resistant alloys

GROTH
FLAME CONTROL
DETONATION

GROTH
FLAME CHECK

Groth Flame Control

Groth Flame Check – ATEX Certified Model 7622B

The Groth Model 7622B is designed to prevent flashback in small lines carrying flammable gases. They are often used in small pilot lines and are intended for use where the gas flow
can be shut off.

Groth Valve Features :
  • Vertical installation only
  • Modular design allows easy access for inspection and maintenance
Groth Technical Details :
  • Housing Material: Carbon Steel or
    Stainless Steel
  • Flame element: Stainless Steel
Sizes 0.5” (DN15) through 2” (DN50)
Housing standard material Carbon Steel or Stainless Steel
Flame element Stainless Steel

Groth Flame Control

Groth Pressure/Vacuum Valve & Flame Arrester (Pipe-Away) Model 8820A

The Model 8820A combination units are used for pressure and vacuum relief where vapors must be piped away. They are designed to protect your tank from damage created by overpressure or excessive vacuum.

Groth Valve Features :
  • Flanged pipe-away
  • Groth’s special “cushioned air” seating
  • Superior performing fluoropolymer seating
  • Drip rings protect seating surfaces from condensate and freezing
Groth Valve Series :
Sizes 2” (DN 50) through 12” (DN 300)
Pressure Settings 0.5oz/in2 to 15 psig
Vacuum Settings 0.5 oz/in2 to 12 psig
Materials Aluminum, Carbon Steel, Stainless Steel and other materials

GROTH
FLAME CONTROL
COMBO VALVE