Hold valve Inc

We are the global valve s and fittings supplier based on Houston texas.Take a look around my website and you'll find out who we are, what we do, and how to contact us I'm excited to have you here!

What KP-LOK offer?

Needle valve

KP-LOK Needle Valves With Union-bonnet construction are available in a variety of material and end connections.

Standard features:

•Pressure From 6000PSI(413bar) up to 10,000psi(689bar)

•Temperature rating PTFE packing from -73°C+210°C(-99°F/+410°F)

•Temperature rating GRAPHOIL packing from -54°C+510°C(-65°F/+950°F)

•Port size from 1/4" up to 1"

•Standard material:stainless steel 316L,optional Carbon steel LF2,Duplex,Super Duplex,Monel 400,Hastelloy CV276,Inconel 625,Titanium,Incolloy 825 etc.

•Heat code traceable material to EN 10204.3.1

Double block and bleed valve


KP-LOK Double block and bleed valves provides a smooth transition from process to instrumentation systems in a single,compact assemble and ensure a leak tight reliability for your piping line;benefits including reduced potential leak points,compact size and less weight compared to traditional systems.

•Pressure From 150Lbs up to 2500Lbs.

•Packing:PTFE carbograpgite or PEEK.

•Port size from 1/2" up to 3".

•Standard material:stainless steel 316L,optional Carbon steel LF2,Duplex,Super Duplex,Monel 400,Hastelloy CV276,Inconel 625,Titanium,Incolloy 825 etc.

•Heat code traceable material to EN 10204.3.1.

•Fire safe tested to BS 6755 part 2.

Monoflange valve

Monoflange DBB valves

KP-LOK Monoflanges DBB Valves replace multivalve assemblies with single,flange-mounted maniflod construction.The main advantages over a typical system including compact design and weight saving.

Standard features:

•Pressure From 150Lbs up to 2500Lbs.

•Temperature rating PTFE packing from -73°C+210°C(-99°F/+410°F)

•Temperature rating GRAPHOIL packing from -54°C+510°C(-65°F/+950°F)

•Port size from 1/2" up to 3".

•Standard material:stainless steel 316L,optional Carbon steel LF2,Duplex,Super Duplex,Monel 400,Hastelloy CV276,Inconel 625,Titanium,Incolloy 825 etc.

•Heat code traceable material to EN 10204.3.1.

•Fire safe tested to BS 6755 part 2.

5 Way manifold valve

KP-LOK Manifold Valves are available in a variety of material and end connections with 2&3 and 5 instrument manifolds.

Standard features:

•Pressure From 6000PSI(413bar) up to 10,000psi(689bar)

•Temperature rating PTFE packing from -73°C+210°C(-99°F/+410°F).

•Temperature rating GRAPHOIL packing from -54°C+510°C(-65°F/+950°F).

•Port size from 1/4" up to 1".

•Standard material:stainless steel 316L,optional Carbon steel LF2,Duplex,Super Duplex,Monel 400,Hastelloy CV276,Inconel 625,Titanium,Incolloy 825 etc.

•Heat code traceable material to EN 10204.3.1.

Toggle valve

Toggle valve is fast acting and positive on/off control of media applications which are specially designed to control media application in moderate temperature and as well as high pressure. It comes in two models, one is manual and other is pneumatically actuated models which have theexclusive feature of opening and closing plus having models in stainless steel and brass with avariety of connections and configurations. When comes to pressure handling it’s the valve you need as it can handle up to 300 psi and temperature up to 200°F.

Hydraulic ball valve

Material:A105,304SST,304LSST,316SST,316LSST, Alloy 400 and C-276,DUPLEX

1/8" to 2" rating up to 20,000psi,one piece,two piece body ,socket weld ,butt weld,thread end,firesafe

Metering valve

Material: 304SST,304LSST,316SST,316LSST, Alloy 400 and C-276,DUPLEX

1/8" to 2" In-Line or Angle pattern,rating up to 10,000psi

Bleeder valve

Material: 304SST,304LSST,316SST,316LSST, Alloy 400 and C-276,DUPLEX

1/8" to 1/2" rating upt to 10,000psi End Connections: MNPT, male SAE, male BSPT. Other connections are available.

hydraulic check valve

Material: 304SST,304LSST,316SST,316LSST, Alloy 400 and C-276,DUPLEX

1/8" to 3/4" rating upt to 6,000 psi alternative fuels, and small process applications having pressures up to 6000 psig (413 bar) and temperatures from -100 to 900° F (-73 to 482° C) .

Gauge valve

Material:A105,304SST,304LSST,316SST,316LSST, Alloy 400 and C-276,DUPLEX

1/4" to 2" rating 2,000psi to 20,000psi Non-rotating metal stem tip,locking devices anti-tamper

Arc valve

Material:A105,304SST,304LSST,316SST,316LSST, Alloy 400 and C-276,DUPLEX

1" to 24",rating from  class 150 up to class 2500, Self-contained for simplified system design and installation.

Purge valve

Material:304SST,304LSST,316SST,316LSST, Alloy 400 and C-276,DUPLEX

1/8" to 1/2" rating up to 4,000 psi offered standard with tube fitting end and NPT pipe end connections, any tube fitting can be adapted to make a unique purge valve configuration for your application

Tubing fitting

Material:,304SST,304LSST,316SST,316LSST, Alloy 400 and C-276,DUPLEX

Pipe fittings,welded fittings,tubing fittings ,sae flareless fittings,size from 1/16″ thru 2″ (2 mm thru 38 mm O.D.tubing) with numerous choices in end connections and patterns

3 way manifold valve

KP-LOK Manifold Valves are available in a variety of material and end connections with 2&3 and 5 instrument manifolds.

Standard features:

•Pressure From 6000PSI(413bar) up to 10,000psi(689bar)

•Temperature rating PTFE packing from -73°C+210°C(-99°F/+410°F).

•Temperature rating GRAPHOIL packing from -54°C+510°C(-65°F/+950°F).

•Port size from 1/4" up to 1".

•Standard material:stainless steel 316L,optional Carbon steel LF2,Duplex,Super Duplex,Monel 400,Hastelloy CV276,Inconel 625,Titanium,Incolloy 825 etc.

•Heat code traceable material to EN 102

2 way manifold valve

KP-LOK Manifold Valves are available in a variety of material and end connections with 2&3 and 5 instrument manifolds.

Standard features:

•Pressure From 6000PSI(413bar) up to 10,000psi(689bar)

•Temperature rating PTFE packing from -73°C+210°C(-99°F/+410°F).

•Temperature rating GRAPHOIL packing from -54°C+510°C(-65°F/+950°F).

•Port size from 1/4" up to 1".

•Standard material:stainless steel 316L,optional Carbon steel LF2,Duplex,Super Duplex,Monel 400,Hastelloy CV276,Inconel 625,Titanium,Incolloy 825 etc.

•Heat code traceable material to EN 102

Pipe fitting

Material:,304SST,304LSST,316SST,316LSST, Alloy 400 and C-276,DUPLEX

Pipe fittings,welded fittings,tubing fittings ,sae flareless fittings,size from 1/16″ thru 2″ (2 mm thru 38 mm O.D.tubing) with numerous choices in end connections and patterns

welded fitting

Material:,304SST,304LSST,316SST,316LSST, Alloy 400 and C-276,DUPLEX

Pipe fittings,welded fittings,tubing fittings ,sae flareless fittings,size from 1/16″ thru 2″ (2 mm thru 38 mm O.D.tubing) with numerous choices in end connections and patterns

SS tubing

Material: 304SST,304LSST,316SST,316LSST, Alloy 400 and C-276,DUPLEX

1/8" to 3/4" KP-LOK stainless steel tube is synonymous with safety and convenience for instrumentation tubing applications.

Sae flareless fitting

Material:,304SST,304LSST,316SST,316LSST, Alloy 400 and C-276,DUPLEX

Pipe fittings,welded fittings,tubing fittings ,sae flareless fittings,size from 1/16″ thru 2″ (2 mm thru 38 mm O.D.tubing) with numerous choices in end connections and patterns

Tubing bender

Material: 304SST,304LSST,316SST,316LSST, Alloy 400 and C-276,DUPLEX

Our tube bender and manual pipe is the best solution when it comes to roll cages, chassis, and motorcycle frames.

Want to know more?

We’d love to hear from you and We’ll be happy to help.