Vosa
Valves that are strong, reliable and built to last
VOSA was established on the structure of the blake Borough valves in 1948 making VOSA the oldest and most trusted brand of valves manufactured in South Africa, with a wide range of products that services the water, energy and mining industry. With over 60 years of experience VOSA can offer the best technical advice and solutions for all your valve requirements.
Float Valves
Valves that are strong, reliable and built to last
Mechanical float valve used to automatically control the levels in tanks and reservoirs and used in the water, mining and agriculture industries.
- Size range: DN15 to DN200
- Pressure ratings: PN10 for DN50 to DN200; PN20 for DN15 to DN50
- Castings materials: Ductile iron & stainless steel
- Float: Glass-fibre covered polyurethane & stainless steel
- Coating: Two pack epoxy coating
Key Features
- Low maintenance
- Long life span
- Easy to install and operate
RSV Gate Valves
Valves that are strong, reliable and built to last
The VOSA Resilient Valve (RSV) is a double flanged resilient seal type valve with a non-rising spindle. The valve body is designed to have a straight unobstructed flow passage and inclined seats to eliminate deposits from forming inside the valve body.
The VOSA Resilient Seal Valve is manufactured in accordance with SANS 664 and SANS 191.
Key Features
- A triple O ring design on the handwheel side to prevent any media from passing to the atmosphere. The O rings are made of rubber, embedded in non-corrosive material.
- A Thrust Bush and Washer made of polyoxymethylene/ Acetal material guarantees smooth spindle operation.
- A bonnet seal is placed between the body and bonnet to prevent any media from passing to the atmosphere.
- A gate guide of wear resistant Nylon with low friction coefficient to use to guarantee lowest wear and tear as well as low closing torques.
Wedge Gate Valves
Valves that are strong, reliable and built to last
Metal seated wedge gate valve manufactured to SABS 664 & 665 standards suitable for isolation and scouring purposes. These valves can be used in the waterworks, mining, power, agriculture, marine and general industries.
- Size range: DN80 to DN1200
- Pressure ratings: D Series: PN10, PN16 and PN25; F Series: TP1500, TP3500, TP5000, TP7000 and TP8500
- Bonnet arrangement: Rising spindle or non-rising spindle
- Castings materials: Ductile iron for all D Series and F Series up to TP3500 and Cast Steel for F Series from TP5000 and up.
Key Features
- For horizontal installations the valves are equipped with channel guides and gate shoes
- For high pipeline velocities the seats can be pinned or welded
- Full bore with low headloss characteristics
- Adjustable gland packing