FUJINXT Black Sealing Ring (PACKING) PH00991 SMT Machine Spare Parts

FUJINXT black sealing ring (PACKING) PH00991

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Product Introduction

FUJI PH00991 – NXT Black Sealing Ring (Packing)

Overview

The FUJI PH00991 is a black sealing ring, also known as a packing ring, used in FUJI NXT series working heads (e.g., H01, H02, H12S). It is an essential vacuum-sealing component that ensures airtight connections between the nozzle holder, suction chamber, and pneumatic systems during SMT pick-and-place operations.

This sealing ring prevents air leakage, maintains stable negative pressure, and supports high-speed, high-precision component placement.

Key Features

Vacuum-Tight Seal
Maintains airtight integrity between nozzle and vacuum cavity, enabling accurate suction and blow functions.

Highly Elastic Material
Made from durable, oil-resistant rubber or fluorocarbon elastomer to ensure longevity and repeated compression.

Precision-Fit for NXT Heads
Engineered to fit snugly within FUJI working heads such as H01, H02, and others using standard nozzle holders.

Resistant to Wear and Contamination
Withstands thousands of nozzle change cycles and high-speed motion without degradation.

Technical Specifications

Applications

Installed between nozzle holder and internal suction channel
Used in FUJI NXT II / NXT III / AIMEX heads for consistent vacuum flow
Essential for vacuum pickup, blow-off, and nozzle cleaning operations

Related Components

Related Accessories for FUJI PH00991 – NXT Black Sealing Ring (Packing)

These accessories work together with the PH00991 sealing ring to ensure a leak-free, stable vacuum environment inside the head for precise pick-and-place operations.

FAQ Guide — FUJI PH00991 NXT Black Sealing Ring (Packing)

1. What is FUJI PH00991?

Answer:
PH00991 is a black sealing ring (also called packing) used in FUJI NXT series placement heads such as H01, H02, and others. It serves as a vacuum seal between the nozzle holder and the internal air path, ensuring proper suction and air-blow performance during SMT pick-and-place operations.

2. What is the function of the sealing ring?

Answer:
It creates an airtight seal that prevents vacuum leakage when a nozzle is installed in the holder. This ensures:

Stable vacuum during part pickup
Consistent air-blow during part release or nozzle cleaning
Nozzle detection accuracy

3. Which heads use the PH00991 sealing ring?

Answer:
The PH00991 is used in:

H01 Working Head
H02 Working Head
H12S / H08M Heads (depending on configuration)
Applicable for NXT II, NXT III, and AIMEX series machines.

4. What are signs of a worn or damaged sealing ring?

Answer:

Loss of suction or intermittent vacuum errors
Nozzle fails to pick or hold components
Frequent vacuum calibration failure
Air or vacuum leak noise near the nozzle holder
Nozzle not seated properly

5. How often should the sealing ring be inspected or replaced?

Answer:

Inspect every 1–3 months depending on usage
Replace immediately if vacuum performance issues or physical damage (cracks, deformation) are observed
Frequent nozzle changes accelerate wear.

6. Is lubrication or cleaning needed?

Answer:

Do not lubricate the sealing ring
Use alcohol wipes or lint-free cloth to clean debris and dust from the sealing surface
Ensure nozzle and holder are clean to prevent premature wear

7. Can the PH00991 be reused after removal?

Answer:
Yes — if undamaged and not deformed. However, it is recommended to replace the ring during major maintenance or if there's any vacuum leak detected.

8. What other components work with the PH00991?

9. Where is PH00991 located inside the head?

Answer:
It is seated in the nozzle holder at the top of the nozzle socket, between the internal vacuum channel and the base of the nozzle. When the nozzle is inserted, the ring compresses to create an airtight seal.

10. Where can I purchase PH00991?

Answer:
Available from:

FUJI SMT authorized distributors
Reputable SMT parts suppliers online
Make sure to confirm the part is OEM or high-quality equivalent for vacuum-sensitive applications.

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