2 MARCH
THE NEW ZEALAND GAZETTE
619

TARIFF DECISION LIST No. 679—continued
APPROVALS—continued

1895 kPa (275 p.s.i.)
(b) Swing check valves, bronze to BSS/1953/1964 NZ 1430/1966 in sizes 12 mm to 51 mm (½ in. to 25 in.)
(c) Vertical check valves, whether in brass or bronze, in sizes 15 mm to 50 mm (½ in. to 2 in.)
(21) Valves for hydraulic pumps of tractors, loaders, excavators, and similar machines
(22) Purpose made 152 mm and 102 mm (6 in. and 4 in.) diameter Fullway wet pipe sprinkler alarm, basic non-return valves, flanged, cast iron
(23) Oil control valves, constant level, for vapourising and other types of burner requiring a metering control. Suitable for use with light fuel oil, diesel or kerosene, up to a 9.1 m (30 ft.) head Standard head mounting, manually or thermo-statically controlled
(24) Diaphragm valves of cast iron, screwed BSP, handwheel operated, suitable for use with compressed air, water and other non-corrosive liquids, but not for steam;
Screwed-12 mm (½ in.), 19 mm (¾ in.), 25 mm (1 in.) up to 1725 kPa (250 p.s.i.)
—32 mm (1¼ in.) up to 1207 kPa (175 p.s.i.)
—38 mm (1½ in.) up to 1207 kPa (175 p.s.i.)
—50 mm (2 in.) up to 862 kPa (125 p.s.i.)
—76 mm (3 in.) up to 690 kPa (100 p.s.i.)
Flanged—to B.S. table 0.50 mm (2 in.) up to 862 kPa (125 p.s.i.)
—76 mm (3 in.) up to 690 kPa (100 p.s.i.)
—100 mm (4 in.) up to 517 kPa (75p.s.i.)
(25) Butterfly (including butterball) valves metal bodied all types in sizes 25 mm (1 in.) up to and including 300 mm (12 in.) (nominal metric equivalent sizes)
NOTE: This exclusion does not cover butterfly valves with metal seats for use with hot gases or liquids
(26) Air control valves 2, 3, 4 way and parts thereof, for use in either pneumatic or hydropneumatic circuit
however actuated, constructed or sealed, and the following accessory valves normally used in conjunction with these air control valves;
Exhaust flow control up to 13 mm (½ in.) B.S.P.
Exhaust silencers up to 13 mm (½ in.) B.S.P.
Flow control up to 13 mm (½ in.) B.S.P. port
Hold back or lock up type valves to 6 mm (¼ in.) B.S.P.
Non return valves up to and including 13 mm (½ in.) B.S.P.
Quick exhaust valves up to and including 13 mm (½ in.) B.S.P. port
Sequence valves up to and including 6 mm (¼ in.) B.S.P. port
Shuttle or tee valves up to and including 13 mm (½ in.) B.S.P. port
(27) Pneumatic and hydraulic quick release couplings up to 26 mm (1 in.) inlet diameter
(28) Valves for compressed gas cylinders
(29) Oxygen and acetylene single stage regulators
(30) Compressed gas cylinder valves of brass or bronze, high or low pressure
(31) Knife gate valves of the following types;
(a) Stainless steel fabricated, flanged 75 mm-1000 mm
(b) Stainless steel cast or nickel iron cast, flanged 100 mm—200 mm
(32) Rotary valves, 6-way multi-port
(33) Valves, globe of cast iron of the following types;
(a) Straight through valve, sizes 50 mm, 62 mm, 75 mm, 100 mm with maximum working pressure at 221°C being 1310 kPa, and at 121°C 2067 kPa
(b) Right angle valve, sizes 50 mm, 62 mm, 75 mm, 100 mm with maximum working pressure at 221°C being 1310 kPa. and at 121°C 2067 kPa
(34) Flushing valves, peculiar for use with effective water heads between 2 and 90 metres
(35) Air relief valves;
(a) ball diameter, 75 mm
(b) Inlet screw, 25 mm B.S.P.
(c) maximum working pressure 150 metre head
(36) 400 mm and 450 mm diameter (bore) swing check (Reflux) valves to B.S. 5153-16 bar rating double flanged to B.S. 4504, free acting or level operated, with by-pass valve, fitted with copper based alloy sealing rings used for the flow control in one direction of water, sewage, and like fluids
(38) Radiator valves, 15 mm (½ in.) and 20 mm (¾ in.) in both angle and straight patterns incorporating either a handle or a lockshield, but excluding double regulating and double entry microbore type
(39) Double orifice air relief valves having an inlet diameter and/or bore up to and including 150 mm and a maximum working pressure of 1 600 Pa (232 p.s.i.)

8/82 6/86

7/79 6/86

10/80 6/86

3/80 6/86