Product Overview

DEENPU Adjustable Chokes are engineered to provide precise, reliable flow control in demanding well service applications including hydraulic fracturing, flowback, well testing, and coiled tubing operations. By combining a solid carbide tip with a precision FL/TC (flat/tapered) seat design, DEENPU adjustable chokes deliver improved accuracy and a significant increase in service life compared to conventional choke designs.

The heart of each DEENPU adjustable choke is the replaceable solid carbide orifice tip. This carbide tip provides exceptional wear resistance in erosive, high-velocity flow conditions, while its replaceable design allows for quick, economical field maintenance without removing the entire choke assembly. Standard hand tools are sufficient for orifice tip replacement, minimizing downtime and reducing total cost of ownership.

DEENPU adjustable chokes are available in both 2″ and 3″ sizes with 1502 hammer union connections. The forged steel body construction provides superior pressure integrity compared to cast alternatives, while the thumb screw locking stem ensures the choke setting remains secure under vibration and high differential pressure. Both standard service and H2S sour service configurations are available.

How It Works

DEENPU adjustable chokes function as a precision flow restriction device. High-pressure fluid enters the choke through the 1502 female inlet and passes through a variable orifice formed by the carbide tip and the FL/TC seat. By rotating the handwheel, the operator moves the carbide-tipped stem relative to the seat, varying the effective flow area and controlling the downstream flow rate and pressure.

The carbide tip is the critical wear component. Made from solid tungsten carbide, it withstands the high-velocity abrasive flow of sand, proppant, and formation fluids far longer than conventional hardened steel or ceramic inserts. When the carbide tip eventually wears, the operator can replace it on location using standard hand tools. The thumb screw locking stem feature ensures that once the desired flow setting is achieved, the choke position is locked securely and will not drift under vibration or pressure pulsation.

The FL/TC seat design provides a precision-matched surface for the carbide tip to seal against. The flat/tapered geometry ensures consistent contact and minimizes leakage when the choke is in the fully closed position. The seat is also field-replaceable, allowing complete choke rebuild capability without workshop support.

Key Features

DEENPU 2″ 1502 Adjustable Choke (DN-FCM-9900)

The DEENPU 2″ 1502 Adjustable Choke is the industry standard for high-pressure flow control in well service operations. Designed for 10,000 and 15,000 PSI working pressure, this choke combines rugged forged steel construction with precision carbide flow control.

2″ 1502 Adjustable Choke Specifications

2″ 1502 Adjustable Choke Features

• Low maintenance design
• Thumb screw for locking stem
• Available as Adjustable Choke or Positive Choke
• Forged steel bodies
• Available in H2S Service and Standard Service
• Choice of orifice sizes
• Easy to convert orifice sizes in the field
• Improved accuracy
• Significant increase in service life

DEENPU 3″ 1502 Adjustable Choke (DN-FCH-9900-T)

The DEENPU 3″ 1502 Adjustable Choke delivers high-capacity flow control for larger-volume well service operations. Featuring the same solid carbide tip and FL/TC seat technology as the 2″ model, the 3″ choke handles higher flow rates with the same precision and reliability.

3″ 1502 Adjustable Choke Specifications

3″ 1502 Adjustable Choke Features

• Low maintenance design
• Thumb screw for locking stem
• Available as Adjustable Choke or Positive Choke
• Forged steel bodies
• Available in H2S Service and Standard Service
• Choice of orifice sizes
• Easy to convert orifice sizes in the field
• Improved accuracy
• Significant increase in service life

Replacement Parts

DEENPU provides a comprehensive range of genuine OEM replacement parts for both the 2″ and 3″ 1502 Adjustable Choke models. All parts are manufactured in-house to the same quality standards as the original assemblies, ensuring full interchangeability and reliable performance.

2″ 1502 Adjustable Choke Replacement Parts

3″ 1502 Adjustable Choke Replacement Parts

Applications

DEENPU Adjustable Chokes are trusted across the full spectrum of well service and production operations:

Ordering Guide

To request a quotation or place an order, please specify the following information:

Quality Control & Testing

DEENPU maintains ISO 9001:2015 certified quality management systems. Every adjustable choke is subjected to the following quality assurance before shipment:

Frequently Asked Questions