Portable grinding & lapping machines

Portable grinding and lapping machine for working on sealing surfaces of safety (relief) valves and disks:

For grinding/lapping big valves and butt-welded valves the machine is mounted with 3-jaw chuck on the valve-housing.
Small valves and globes are done on the machine stand with centring device and pneumatic lifting device for the machine.

Working ranges:

• DN 15 – 300 mm (1/2"–12")

Optional:

• DN 10 – 400 mm (3/8"–16")

Advantages of SVS 1:

• Crosshatched grinding/lapping to achieve absolute seat flatness
• Accurate centring of the machine with the 3-jaw chuck
• Accurate and fast centring of small valves and disks on the machine stand
• Reproducable grinding/lapping results within minutes
• Easy and safe operation
• Pneumatic control unit with timer for setting grinding time
• Eccentricity adjustable 0 – 3 mm
• Machine stand with pneumatic cylinder

Drives:

• Electric 230 V/110 V AC, 50/60 Hz,
• Pneumatic drive 5 – 7 bar (72 – 90 psi)