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GHP (gas heat pump) compressor

GHP (gas heat pump) compressor

Gunma factory is the main manufacturing facility which integrated production of GHP compressor. We have been machining and grinding the compressor's central components and can measure the several microns of accuracy. We have long experience which cultivated with GHP compressor. If you have request of high accuracy, please inform us.


What is GHP ?
It is abbreviated word of "Gas Heat Pump Air Conditioner".
It is air conditioning system with heat pump which has compressor operated by gas engine.
The difference from electric heat pump air-conditioner (EHP) is operating system with electric motor or gas engine. Indoor unit and operation method are completely same as GHP type.

How to cool or heat the room by GHP?

Material has a property which absorbs surrounding heat to accomplish liquid gasitication and bringsheat to accomplish liquidation.
GHP uses this characteristic. It circulates coolant by compressor which is operated with a gas engine, and alternates between vaporization and liquefaction forcibly (heat pump cycle), and cool or heat the room.


Our facilities

Machining equipment


Oval grinding machine


End face grinding machine


Internal grinding machine


NC lathe machine


Specially cutting machine


Machining center


Cleaning equipment


5Ton Servo press


1Ton Air press



Testing equipment


Airtight testing equipment


Discharge pressure analyzer


Measuring facilities


Surface roughness measuring instrument


Roundness measuring instrument


Three-dimensional measuring machine


Shape measuring machine


Air micrometer


Process to shipping

Process to shipping

Main facilities list

MakerName of machineCat.noNumber
Sakazaki 2 spindle NC milling machine SM-NC96 1
OKK Corp. Vertical machining center VM43R 1
Sugino machine Vertical machining center V15 1
Toyo seiki Vertical machining center TVT30 2
Nissei industry Surface grinding machine VP-4S 1
TAIYO KOKI Oval grinding machine NVG-4C 1
Kiwa machinery Vertical machining center EX51-T20 1
FANUC Robo-drill A04B 1
Sugino Self-center drilling machine SCV-622 1
TAIYO KOKI End face grinding machine EGV-3N 1
TAIYO KOKI Internal grinding machine IGV-1N 1
Tsugami NC lathe machine PL-3B 1
Kitamura Vertical machining center My center0 1
Brother Machining center S700X1 6
Miyano Automatic NC lathe machine BND-51S2 1
Shinsei Two spindle milling machine RT-2M 1
Obata spirit machine Slotting milling machine PK-04-4 1
Japan broach Automatic broaching machine NVS-4L-1200 1
Tsugami Manually-operated spline rolling machine T-RDL15 1
Tsugami Automatic spline rolling machine R15A 1
Sugino Tapping machine   1
Okamoto machine tool Slit grinding machine SPG-63 2
Okamoto machine tool Slit chamfering machine SPG-63AN 1
TAIYO KOKI Slit chamfering machine CG01 1
SEIKO SEIKI Cylindrical grinding machine SCG30L 3
SII Corner chamfering machine CBW14 1
JAM 5Ton Servo press SBP505AE 1
Fuji control 1Ton Air press QCP-2-10KN-03 1
SEIKO SEIKI Facing M/C   1
OBATA R processing machine   1
Daisho Width grinding machine GMV-380G2 1
Toho koki Centrifugal barrel polishing machine TAB-304 1
Cleanvy Cleaning equipment FVWH3-5070DVC 1
Mitutoyo Three-dimensional measuring instrument BRT504 1
Mitutoyo Roundness measuring instrument RA424 1
Mitutoyo Contour form measuring instrument CS411 1
TOKYO SEIMITSU Surface roughness measuring instrument SURFCOM2800E-24 1


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