MODEL 12F-TWW-0

Pressure / Vacuum Relief Valve with Pipe-Away

The Groth Model 12F-TWW-0 valve offers superior sealing and high flow rates, enabling smaller valve sizes with 10% overpressure technology. It protects tanks from overpressure and vacuum damage while reducing evaporative losses and fugitive emissions. The valve enhances safety for tank equipment and personnel.

Available from stock ✔

This valve is designed to work with a 10% overpressure

Product leakage and fugitive emissions are reduced via ultra-tight sealing

Higher flow capacity to protect from both excessive pressure and excessive vacuum build up

Peripheral and central seat guides ensure reliable, repeatable performance

Designed for easy maintenance, thus reducing downtime and operational cost

Technical Specifications

Size

2” through 12”

Body Material

Aluminum, Carbon Steel, Stainless Steel

Pallet Material

Aluminum, Stainless Steel

Diaphragm Materials

Buna-N, Blue FKM or FEP

Weight Material

Zinc-Plated Steel,Stainless Steel

Bolting Class

150# ASME, PN10, PN16, JIS drilling classes available

Available Pressure Settings

0.5 osig to 24 osig

Available Vacuum Settings

0.464 osig (2 mbarg) to 24 osig

Superior tightness, exceeding API-2000 leak requirements

PED and ATEX Certified

Downloads

GROTH has made various downloads available for the GROTH MODEL 12F-TWW-0, including the specification sheet and the information sheet. These can be downloaded via the GROTH website.

View available downloads