PROVAL INDUSTRIAL CO.,LTD.

One-step operation: from the lost-wax, casting, machining, assembly to finished products.

We are a professional ball valve and precision casting manufacturer.

Branch office:
VALWELL INDUSTRIAL CO., LTD.
NO.11 YOU 9TH ROAD, DAJIA, TAICHUNG, 43770 TAIWAN, R.O.C.
TEL:886-4-2681-6566  FAX:886-4-2681-5279

ARBON INDUSTRIAL CO., LTD.
NANGAN ROAD, NALANG INDUSTRIAL PARK, NANLANG TOWN,
ZHONGSHAN, GUANG DONG, 528451 CHINA
TEL:86-760-2389-3388  FAX:86-760-2389-3366
 
Main Products:
all kinds of ball valve, mechanical metal parts, precision  casting, automatic / pneumatic valve actuator

Valve Type:

Ball valve: 1PC, 2PC, 3PC, 4PC(3 WAY), 5PC (4 WAY & 3 WAY)

                  Gate valve, check valve, Y-Strainer, custom valve

Connection Port: threaded end (NPT, BSPP, BSPT, JIS PT, etc.), 
                               welded joint (Socket-Weld, Butt-Weld),

Flange (ANSI 150LB, 300LB, 600LB, DIN PN10/16/25/40, JIS 10K/20K/40K)

Size range: 1 / 4 "~ 12" (DN8 ~ DN300)

Precision casting specifications:

Maximum size: 500 * 500 * 500mm   Max. Weight: 80KG

Monthly capacity: about 30,000 ball, casting about 40 tons (Tons)

Certification:

* TÜV  ISO9001: 2008.

* TÜV  PED (H modules).

* TÜV  AD2000

* TÜV  TUV TA-Luft

* Lloyd's Register Investment Castings

* API607 fire certification

* DNV (Det Norske Veritas) Steel Castings

Company History:

1985 Company established, the main products are stainless steel ball valve.

1987 factory built at Youth Industrial Park.

1988 The market expanded to Japan, Europe, Middle East, Austria and Africa.

          Purchased device, such as CNC machine, assembly machine and casting 
          equipment.

1993 Awarded DNV Certification, ISO9002 certification.

1994 Taiwan Ministry of Economic Affairs approved for production and  
          management paragon makers.

1997 Awarded TÜV issued DIN TRD 100 AD-W0 AD-W5 certificate

1999 Awarded TÜV issued ISO 9002 certificate

2000 New product: M532 1 / 2 "~ 2" (thread end) 4way ball valve.

2001 New product: E207 1/4"~2" Economy type 2PC ball valve.

          New product: M201 1 / 2 "~ 3" economical ball valve additional ISO  
          MOUNTING PAD, for direct install to automatic device.

          New product: M301( 8 ", 10", 12 ") 3PC socket-weld type ball valve.

          New product: M215 150LBS 6 "Flange Ball Valve (lost-wax casting).

          Drawing made by AUTO CAD MDT5 3D graphics software.

2002 Awarded API 607 certificate.

          Awarded TÜV issued TÜV ISO 9001 certificate.

          Awarded TÜV issued PED/97/23/EC CE MARKING certificate.

2003 New product: 2PC Flanged Ball Valve (8"~12")

          New product: 1PC Flanged Ball Valve (8"~12")

2004 Implement the daily staff training and education.

          New product:W116 (5",6",8",10")

2005 Operation by ERP system

2006 DIN serial flange (6"~12") mass production.

2007 Expand to the electronics industry.

2010 Purchased device : 3D measuring machine, Low temperature impact
           machine.