Question 1

What sizes / configurations are available in this family?

Accepted Answer

Stock or short-lead: 2 in line bore; bean sizes 1/16 in to 1-1/2 in. The product page consolidates a family that share the same series, pressure class, and service class — confirm the exact size / length / configuration you need on the RFQ. Variants outside the listed stock range can be sourced build-to-order at typical 8–14 week lead times depending on OEM build slots.

Question 2

What is the working pressure rating?

Accepted Answer

10,000 psi working pressure, 10K class. The unit is hydrotested at 1.5× shell-test pressure per the applicable specification. The working pressure is fixed by both the body design and the end connection — the union, flange, or weld rating is the limiting factor at the joint, so always specify matched-class connections on both sides.

Question 3

Is this product suitable for sour service (H₂S wells)?

Accepted Answer

Yes — this product is fully NACE MR0175 / ISO 15156 compliant for sour-service exposure (H₂S-bearing hydrocarbon streams). Body, trim, and any elastomers are selected to the NACE hardness and chemistry limits. Provide an inquiry data sheet listing H₂S partial pressure, temperature, and chloride content and we will confirm material suitability and material-class designation (typically DD, EE, or FF for sour).

Question 4

What end connections does this product use?

Accepted Answer

End A: 1502 Female Weco Union (inlet). End B: 1502 Male Weco Union (outlet). Auxiliary: NACE gauge ports + emergency bypass. These are WECO wing-union (hammer-union) connections, the standard for frac flow iron — the Female (F) half threads onto the Male (M) half via the hand-tight wing nut, then is hammered tight with a non-sparking sledge. Always match like-class on both sides of the joint.

Question 5

What OEM brands and standards is this compatible with?

Accepted Answer

This product is supplied as a recognised matched-pressure interchange for Forum Energy Sour Choke, Halliburton Dual Sour, Cameron NACE Choke. Indus is not an authorised distributor of these OEMs but every unit is engineered to be dimensionally and metallurgically interchangeable with the named OEM standard, with full mill test reports and hydrostatic certificates on file. For applications requiring an OEM-stamped unit, we can source genuine OEM product on a build-to-order basis — call us with the application detail.

Question 6

What materials and material class are used?

Accepted Answer

Material: Forged 4130 NACE-controlled with tungsten-carbide trim. API 6A material class: EE (sour-service capable per NACE MR0175). Higher material classes (Inconel-clad seal pockets, F22 / F51 wetted parts, NACE-compliant bolting) are available on request for severe sour, high-temperature, or chloride-rich service.

Question 7

What standards and certifications come with each unit?

Accepted Answer

Each unit ships with: (a) API 16C design and manufacture compliance, (b) EN 10204 3.1 mill test report (3.2 on request), (c) hydrostatic test certificate at 1.5× shell pressure, (d) NACE MR0175 / ISO 15156 sour-service compliance certificate, and traceability stamps on the body. API monogram is available where the source mill holds the licence — flag this on the RFQ if it is a hard requirement.

Question 8

What is the lead time and how do I order?

Accepted Answer

Common combinations are stocked or short-lead from our Dubai warehouse — typical lead time 35 working days. Sour-service variants, large manifold skids, and unusual configurations ship 8–14 weeks ex-works depending on OEM build slots. RFQ with: (a) exact size and configuration, (b) pressure class and service, (c) end-connection style and gender on each port, (d) certification requirements, and (e) destination port. Indus quotes ex-Dubai with door-to-door logistics on request.

Parameter	Value
Flow Iron Type	Choke Manifold
Figure / Pressure Series	1502
Configuration	Dual-stage NACE choke (positive + adjustable)

Parameter	Value
Working Pressure	10000 psi
Pressure Class	10K
Service Class	Sour (NACE MR0175)
Temperature Rating	-20°F to 180°F (-29°C to 82°C)

Parameter	Value
End Connection (A)	1502 Female Weco Union (inlet)
End Connection (B)	1502 Male Weco Union (outlet)
Additional Ports / Taps	NACE gauge ports + emergency bypass
Available Sizes	2 in line bore; bean sizes 1/16 in to 1-1/2 in
Bore / ID	Two-stage bean configuration

Parameter	Value
API / Industry Specification	API 16C
Material Class (API 6A)	EE

Choke Manifold, Dual-Stage 1502, 10,000 psi, Sour Service

Key features

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OEM equivalents and compatibility

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