ARO 66610X Diaphragm Codes 4 and 6: Check the Assembly and Kit

On the ARO 66610X-X-C 1-inch metallic pump family, diaphragm codes 4 and 6 identify different assemblies. 代碼4是PTFE/Santoprene;代碼6是複合PTFE。 因此,對“PTFE隔膜”的要求會留下一個重要的採購問題未解答。 在發出訂單之前,請將完整的泵配置與適用的零件清單進行匹配。

This guide explains a specific identification check, not a conversion or installation procedure. Its scope is the configurations covered by the ARO 66610X-X-C operator’s manual cited below. Do not extend these part numbers to every ARO pump beginning with 6661.

Read the code position, not just the character

The three material positions in the final group identify the seat, ball and diaphragm, 按照這種順序,它們的意義取決於它們的位置。 在引用的手冊中,6在球位置表示丙烯酸,而6在隔膜位置表示複合 PTFE。

When requesting a part, retain the entire nameplate code, including separators and the final suffix. If the last material group ends in 4, check the code-4 diaphragm assembly. If it ends in 6, check the code-6 assembly and its associated notes. Do not interpret an isolated “6” or a shortened warehouse description as a complete specification.

代碼 4: 識別 PTFE 隔膜及其備份

對於code-4配置,製造商的流體截面零件表確定 93459-4 as the PTFE diaphragm and 92973-B as the Santoprene backup diaphragm. These are separate references within the assembly.

僅列出 PTFE 零件的採購行並不會告訴供應商是否還需要備用隔膜。 明確說明預期範圍:單個隔膜、兩種隔膜類型或已確認的流體截面服務套件。 記錄每個零件編號的數量,而不是依賴於“一套 ” , 這可能會有不同的解釋。

代碼 6: 區分隔膜 48490056 和轉換套件 48495964

對於複合 PTFE 配置,手冊列出了光圈 48490056. 它還顯示 48495964 in the parts table, but the footnote is essential: this is a conversion kit, not a service kit. 所述目的是將標準泵轉換爲單件隔膜泵。

The conversion kit does not include balls, seats or the Y328-126 O-ring. Do not order it as a complete fluid-section overhaul package, and do not infer a different kit number by inserting a diaphragm code into a familiar numbering pattern. A table column heading does not replace its configuration-specific footnote.

The manual also gives configuration-specific connecting-rod and shim information for -XX6-C pumps and refers users to separate composite-diaphragm instructions. Those details are a reason to check the whole assembly. They are not a basis for declaring code 4 and code 6 directly interchangeable.

將更換和轉換請求分開

對於類似的維修,目標是確定安裝的部件並訂購指定的更換部件。 對於擬議的材料或隔膜設計變更,問題更廣泛:需要哪些完整配置和支持部件,它們是否適合該任務?

請勿將PTFE一詞視爲相同結構、配合、維修程序或操作限制的證明。 在審查變更時,請向製造商或供應商提供液體、濃度、操作和清潔溫度以及相關的服務條件。

在由合格人員進行任何實際檢查時,請按照適用的現場程序將泵隔離。 使用製造商的確切拆卸和組裝說明;這裏不含有扭矩設置或安裝順序。

Send an unambiguous ARO diaphragm enquiry

請附上清晰的名牌照片,並在請求中包括以下詳細信息:

1. 完整模型: copy every character and suffix, plus the serial number when available.
2. 文件： identify the operator’s manual and revision used for the parts lookup.
3. 隔膜位置： state whether the complete material code ends in 4 or 6; do not send only “PTFE.”
4. Requested scope: list each verified part number and quantity, or ask for the exact contents of the proposed kit.
5. 安裝狀況： disclose known modifications or any mismatch between the nameplate and existing components.
6. Order decision: state whether you need a like-for-like replacement or a separately reviewed configuration change.

如果零件標識、標牌和手冊不一致,請暫停訂單,直到差異得到解決。 照片可以幫助識別,但僅憑外觀並不能確認隔膜材料或兼容性。

常見的訂購問題

是否代碼4和代碼6都是簡單的PTFE隔膜?

兩個描述都包括 PTFE,但手冊中標識的裝配體不同:代碼 4 是 PTFE/Santoprene,代碼 6 是複合 PTFE。 使用配置特定的零件清單,而不是將描述視爲可互換的。

48495964 是否是一個完整的複合膜片維修套件?

否,Rev AT 手冊將其定義爲轉換套件,而非服務套件,並且不包括球、座和 Y328-126 O 型圈。 對於現有複合隔膜泵的常規維修,請從其適用的零件清單中確定所需的更換零件。

本指南是否適用於所有 6661-series 泵?

否,該範圍是所引用的 66610X-X-C 手冊中所涵蓋的 1-inch 金屬配置。 其他 6661 系列有單獨的手冊和服務零件參考。

References and next checks

Technical source: ARO 66610X-X-C operator’s manual 81376642, Rev AT, revised September 25, 2026,頁數 2, 4 以及 5這是從下面的鏈接中鏈接的手冊 official ARO 1-inch PRO Series metallic pump page when checked on November 5, 2026. Use the current instructions applicable to the actual pump; the separate conversion instructions referenced by ARO must also be obtained before any conversion is considered.

更廣泛的維修範圍改爲 ARO repair-kit contents and valve-seat checks and use the 技術資料庫 to locate the relevant manual. Send WILLEE the full model and requested parts for identification and quotation. Catalogue references do not establish stock availability, delivery time or approval of a configuration change.